Top Happiest Baby Deals & Price Drops for May 2026

About SNOO Sleep Sack 3-Pack of Sizes Includes three (3) SNOO Sacks in different sizes: 1 small, 1 medium, 1 large The world’s first ever 5-second swaddle Attaches to SNOO with specially designed wings that help secure babies on the back Made from soft and cozy 100% organic cotton Double zipper that allows to zip from top or bottom for easy diaper changes Special inner arm bands and leg flap keep even little Houdinis bundled all night Extra-quiet adjustable fastener, so light sleepers don’t startle awake with diaper changes Breathable mesh at shoulders and waist to reduce overheating Perfect for healthy, growing hips (International Hip Dysplasia Institute seal of approval) Arm openings can unsnap to allow babies to sleep with arms out Save 30% when you buy 3 SNOO Sacks instead of just 1 Intended for use in SNOO only. SNOO Sack 3-Pack of Sizes Description Save more than 30% when you buy a 3-pack of SNOO Sacks instead of just one! A baby’s life can get pretty messy…extra SNOO Sacks come in handy for those inevitable little spit-ups and blow-outs. Our SNOO Sack 3-Pack contains one swaddle in each size (small, medium, and large), so you’ll never be caught off guard for an unexpected middle-of-the-night change again! Want a single SNOO Sack instead of a 3-Pack? Click here to buy a single SNOO Sleep Sack. SNOO Sack 3-Pack Size Guide Small: 5-12 lb Medium: 12-18 lb Large: 18-25 lb SNOO Sack 3-Pack Size Guide 95% Organic Cotton, 5% Elastane. Trim: 100% Polyester. Machine wash in cool or cold water with like colors. Never use hot water or chlorine bleach. Tumble dry on a low heat setting, making sure to dry the sack completely or air dry for best results! Please Note: Before putting SNOO Sack in the washer, always attach the arm bands & leg flap to each other and zip the sack completely closed. That will avoid damage that might be caused by the fastener clinging to other items in the load. SNOO Sacks and sheets are sold separately. Click here for SNOO Sheets. SNOO Sleep Sack 3-Pack of Sizes | Midnight Planets

SNOO Sack was specially designed to be used in SNOO Smart Sleeper to help babies sleep safer, longer, and happier! And because SNOO Sack was created by world-renowned pediatrician Dr. Harvey Karp, you can trust that every detail was designed with baby safety and parent sanity in mind! 100% Organic SNOO Sleep Sack | Size: X-Large (23-25 lb) | Rainbow Tie-Dye

SNOO Sack was specially designed to be used in SNOO Smart Sleeper to help babies sleep safer, longer, and happier! And because SNOO Sack was created by world-renowned pediatrician Dr. Harvey Karp, you can trust that every detail was designed with baby safety and parent sanity in mind! 100% Organic SNOO Sleep Sack | Size: Medium (12-18 lb) | Teal Planets

Our award-winning 100% organic cotton 5-Second Swaddle takes the guesswork out of swaddling with a secure wrap...every time. And because Sleepea was created by world-renowned pediatrician Dr. Harvey Karp, you can trust that every detail was designed with baby safety and parent sanity in mind! Sleepea® 5-Second Baby Swaddle | Size: Medium (12-18 lb) | Teal Stars

Our award-winning 100% organic cotton 5-Second Swaddle takes the guesswork out of swaddling with a secure wrap...every time. And because Sleepea was created by world-renowned pediatrician Dr. Harvey Karp, you can trust that every detail was designed with baby safety and parent sanity in mind! Sleepea® 5-Second Baby Swaddle | Size: X-Large (23-25 lb) | Graphite Planets

About Sleepea Swaddle Sack Bundle Bundle and save on the award-winning 5-second swaddle® sack! (3) Soft and cozy 100% organic cotton swaddle sacks Regular Bundle contains a swaddle in each size (small, medium, and large) Newborn Bundle contains two size small swaddle sack and one size medium Save 30% when you buy 3 Sleepea swaddles instead of just 1 The world's first 5-second swaddle® Double zipper swaddle sack that zips from top or bottom Special inner arm bands and leg flap keep even little Houdinis bundled all night Extra-quiet adjustable fastener, so light sleepers don’t startle awake with diaper changes Breathable mesh at the shoulders and waist of the swaddle sack to reduce overheating Perfect for healthy, growing hips (International Hip Dysplasia Institute seal of approval) Arm openings unsnap for babies who prefer to sleep with arms out Naturally transitions babies to become independent sleepers Note: Not for use in SNOO. What People are Saying About the Sleepea Swaddle “The Winner…This swaddle is magic!” —NY Magazine “Sleepea: The Last Baby Swaddle You’ll Ever Buy.” —NY Family “Get The Perfect Swaddle In Just 5 Seconds…” —Romper Description Save 30% on Sleepea—our award-winning "5-second” swaddle—when you get 3 instead of just one! Ultra-soft, breathable, and 100% organic cotton…this swaddle sack is doctor-designed with baby safety—and parent sanity—in mind. Open-weave mesh at the shoulders and legs keeps babies comfy…all night. And, our double-zip zipper makes middle-of-the-night diaper changes a breeze. Our unique inner arm wrap even keeps little escape artists from wiggling their arms free. Our special super-quiet adjustable fastener won’t wake your baby, and Sleepea’s shape is hip healthy. We’ve really thought of it all! Extra swaddles always come in handy for those inevitable little spit ups and blow outs. Choose the bundle that works best for you, so you’ll be ready for those middle of the night quick changes: Newborn Bundle: Contains two small Sleepea swaddle sacks and one medium to give you a good supply for those special early months. Regular Bundle: Contains our Sleepea swaddle sack in one of each size (small, medium, and large). Want a single Sleepea swaddle sack instead of a bundle? Click here to buy a single Sleepea swaddle. Why Should You Swaddle Your Baby? Swaddling recreates the snug embrace of the womb to help soothe babies. Plus, it prevents startles, arm-flailing, and accidental nose-whacks keep your baby snoozing longer and happier. Note: For the first 6 months of life, babies should only sleep on the back. If your baby can roll, you should stop swaddling the arms. That’s because babies need to be able to push up in case they roll to the tummy and the face is pressing against the mattress. (Always consult your baby’s doctor for his/her advice.) Sleepea Swaddle Size Guide Small: 5-12 lb Medium: 12-18 lb Large: 18-26 lb Extra-Large: 26-33 lb Sleepea Swaddle Fabric & Care 95% Organic Cotton, 5% Elastane. Trim: 100% Polyester. Machine wash in cool or cold water with like colors. Never use hot water or chlorine bleach. Tumble dry on a low heat setting, making sure to dry the sack completely or air dry for best results! Please Note: Before putting Sleepea in the washer, always attach the arm bands & leg flap to each other and zip the sack completely closed. That will avoid damage that might be caused by the fastener clinging to other items in the load. Sleepea® Swaddle Sack 3 Pack Bundle | Size: Regular | Rose Stars

SNOO Sack was specially designed to be used in SNOO Smart Sleeper to help babies sleep safer, longer, and happier! And because SNOO Sack was created by world-renowned pediatrician Dr. Harvey Karp, you can trust that every detail was designed with baby safety and parent sanity in mind! 100% Organic SNOO Sleep Sack | Size: Small (5-12 lb) | Tan Rainbows

Our award-winning 100% organic cotton 5-Second Swaddle takes the guesswork out of swaddling with a secure wrap...every time. And because Sleepea was created by world-renowned pediatrician Dr. Harvey Karp, you can trust that every detail was designed with baby safety and parent sanity in mind! Sleepea® 5-Second Baby Swaddle | Size: Medium (12-18 lb) | Blue Tie-Dye

Our award-winning 100% organic cotton 5-Second Swaddle takes the guesswork out of swaddling with a secure wrap...every time. And because Sleepea was created by world-renowned pediatrician Dr. Harvey Karp, you can trust that every detail was designed with baby safety and parent sanity in mind! Sleepea® 5-Second Baby Swaddle | Size: Large (18-25 lb) | Charcoal Stars

Our award-winning 100% organic cotton 5-Second Swaddle takes the guesswork out of swaddling with a secure wrap...every time. And because Sleepea was created by world-renowned pediatrician Dr. Harvey Karp, you can trust that every detail was designed with baby safety and parent sanity in mind! Sleepea® 5-Second Baby Swaddle | Size: Small (5-12 lb) | Charcoal Planets

SNOO Sack and SNOO Comforter Sack (our warmer wrap), were specially designed to be used in SNOO Smart Sleeper to help babies sleep safer, longer, and happier! And because SNOO Sack was created by world-renowned pediatrician Dr. Harvey Karp, you can trust that every detail was designed with baby safety and parent sanity in mind! 100% Organic SNOO Sleep Comforter Sack | Size: XL | Ivory Wildflowers

SNOO Sack was specially designed to be used in SNOO Smart Sleeper to help babies sleep safer, longer, and happier! And because SNOO Sack was created by world-renowned pediatrician Dr. Harvey Karp, you can trust that every detail was designed with baby safety and parent sanity in mind! 100% Organic SNOO Sleep Sack | Size: Medium (12-18 lb) | Rainbow Tie-Dye

Our award-winning 100% organic cotton 5-Second Swaddle takes the guesswork out of swaddling with a secure wrap...every time. And because Sleepea was created by world-renowned pediatrician Dr. Harvey Karp, you can trust that every detail was designed with baby safety and parent sanity in mind! Sleepea® 5-Second Baby Swaddle | Size: Large (18-25 lb) | Rose Planets

SNOO Sack was specially designed to be used in SNOO Smart Sleeper to help babies sleep safer, longer, and happier! And because SNOO Sack was created by world-renowned pediatrician Dr. Harvey Karp, you can trust that every detail was designed with baby safety and parent sanity in mind! 100% Organic SNOO Sleep Sack | Size: X-Small (4-8 lb) | Ivory Wildflowers

About Sleepea Swaddle Sack Bundle Bundle and save on the award-winning 5-second swaddle® sack! (3) Soft and cozy 100% organic cotton swaddle sacks Regular Bundle contains a swaddle in each size (small, medium, and large) Newborn Bundle contains two size small swaddle sack and one size medium Save 30% when you buy 3 Sleepea swaddles instead of just 1 The world's first 5-second swaddle® Double zipper swaddle sack that zips from top or bottom Special inner arm bands and leg flap keep even little Houdinis bundled all night Extra-quiet adjustable fastener, so light sleepers don’t startle awake with diaper changes Breathable mesh at the shoulders and waist of the swaddle sack to reduce overheating Perfect for healthy, growing hips (International Hip Dysplasia Institute seal of approval) Arm openings unsnap for babies who prefer to sleep with arms out Naturally transitions babies to become independent sleepers Note: Not for use in SNOO. What People are Saying About the Sleepea Swaddle “The Winner…This swaddle is magic!” —NY Magazine “Sleepea: The Last Baby Swaddle You’ll Ever Buy.” —NY Family “Get The Perfect Swaddle In Just 5 Seconds…” —Romper Description Save 30% on Sleepea—our award-winning "5-second” swaddle—when you get 3 instead of just one! Ultra-soft, breathable, and 100% organic cotton…this swaddle sack is doctor-designed with baby safety—and parent sanity—in mind. Open-weave mesh at the shoulders and legs keeps babies comfy…all night. And, our double-zip zipper makes middle-of-the-night diaper changes a breeze. Our unique inner arm wrap even keeps little escape artists from wiggling their arms free. Our special super-quiet adjustable fastener won’t wake your baby, and Sleepea’s shape is hip healthy. We’ve really thought of it all! Extra swaddles always come in handy for those inevitable little spit ups and blow outs. Choose the bundle that works best for you, so you’ll be ready for those middle of the night quick changes: Newborn Bundle: Contains two small Sleepea swaddle sacks and one medium to give you a good supply for those special early months. Regular Bundle: Contains our Sleepea swaddle sack in one of each size (small, medium, and large). Want a single Sleepea swaddle sack instead of a bundle? Click here to buy a single Sleepea swaddle. Why Should You Swaddle Your Baby? Swaddling recreates the snug embrace of the womb to help soothe babies. Plus, it prevents startles, arm-flailing, and accidental nose-whacks keep your baby snoozing longer and happier. Note: For the first 6 months of life, babies should only sleep on the back. If your baby can roll, you should stop swaddling the arms. That’s because babies need to be able to push up in case they roll to the tummy and the face is pressing against the mattress. (Always consult your baby’s doctor for his/her advice.) Sleepea Swaddle Size Guide Small: 5-12 lb Medium: 12-18 lb Large: 18-26 lb Extra-Large: 26-33 lb Sleepea Swaddle Fabric & Care 95% Organic Cotton, 5% Elastane. Trim: 100% Polyester. Machine wash in cool or cold water with like colors. Never use hot water or chlorine bleach. Tumble dry on a low heat setting, making sure to dry the sack completely or air dry for best results! Please Note: Before putting Sleepea in the washer, always attach the arm bands & leg flap to each other and zip the sack completely closed. That will avoid damage that might be caused by the fastener clinging to other items in the load. Sleepea® Swaddle Sack 3 Pack Bundle | Size: Regular | Rose Planets

About Sleepea Swaddle Sack Bundle Bundle and save on the award-winning 5-second swaddle® sack! (3) Soft and cozy 100% organic cotton swaddle sacks Regular Bundle contains a swaddle in each size (small, medium, and large) Newborn Bundle contains two size small swaddle sack and one size medium Save 30% when you buy 3 Sleepea swaddles instead of just 1 The world's first 5-second swaddle® Double zipper swaddle sack that zips from top or bottom Special inner arm bands and leg flap keep even little Houdinis bundled all night Extra-quiet adjustable fastener, so light sleepers don’t startle awake with diaper changes Breathable mesh at the shoulders and waist of the swaddle sack to reduce overheating Perfect for healthy, growing hips (International Hip Dysplasia Institute seal of approval) Arm openings unsnap for babies who prefer to sleep with arms out Naturally transitions babies to become independent sleepers Note: Not for use in SNOO. What People are Saying About the Sleepea Swaddle “The Winner…This swaddle is magic!” —NY Magazine “Sleepea: The Last Baby Swaddle You’ll Ever Buy.” —NY Family “Get The Perfect Swaddle In Just 5 Seconds…” —Romper Description Save 30% on Sleepea—our award-winning "5-second” swaddle—when you get 3 instead of just one! Ultra-soft, breathable, and 100% organic cotton…this swaddle sack is doctor-designed with baby safety—and parent sanity—in mind. Open-weave mesh at the shoulders and legs keeps babies comfy…all night. And, our double-zip zipper makes middle-of-the-night diaper changes a breeze. Our unique inner arm wrap even keeps little escape artists from wiggling their arms free. Our special super-quiet adjustable fastener won’t wake your baby, and Sleepea’s shape is hip healthy. We’ve really thought of it all! Extra swaddles always come in handy for those inevitable little spit ups and blow outs. Choose the bundle that works best for you, so you’ll be ready for those middle of the night quick changes: Newborn Bundle: Contains two small Sleepea swaddle sacks and one medium to give you a good supply for those special early months. Regular Bundle: Contains our Sleepea swaddle sack in one of each size (small, medium, and large). Want a single Sleepea swaddle sack instead of a bundle? Click here to buy a single Sleepea swaddle. Why Should You Swaddle Your Baby? Swaddling recreates the snug embrace of the womb to help soothe babies. Plus, it prevents startles, arm-flailing, and accidental nose-whacks keep your baby snoozing longer and happier. Note: For the first 6 months of life, babies should only sleep on the back. If your baby can roll, you should stop swaddling the arms. That’s because babies need to be able to push up in case they roll to the tummy and the face is pressing against the mattress. (Always consult your baby’s doctor for his/her advice.) Sleepea Swaddle Size Guide Small: 5-12 lb Medium: 12-18 lb Large: 18-26 lb Extra-Large: 26-33 lb Sleepea Swaddle Fabric & Care 95% Organic Cotton, 5% Elastane. Trim: 100% Polyester. Machine wash in cool or cold water with like colors. Never use hot water or chlorine bleach. Tumble dry on a low heat setting, making sure to dry the sack completely or air dry for best results! Please Note: Before putting Sleepea in the washer, always attach the arm bands & leg flap to each other and zip the sack completely closed. That will avoid damage that might be caused by the fastener clinging to other items in the load. Sleepea® Swaddle Sack 3 Pack Bundle | Size: Regular | Graphite Planets

Discover the ultimate convenience and comfort for your newborn with the Sleepea Swaddle Sack 3 Pack Bundle from Happiest Baby. This curated Newborn Bundle includes two size small and one size medium swaddle sacks, providing the perfect supply for those precious early months. Made from ultra-soft, 100% organic cotton, these doctor-designed sacks keep your baby cozy while promoting safe, healthy sleep. Our award-winning 5-second swaddle design makes bedtime effortless. The unique double zipper allows for easy diaper changes from the top or bottom, while special inner arm bands and a leg flap ensure even the most determined little escape artists stay snugly wrapped all night. Breathable mesh at the shoulders and waist helps regulate temperature, preventing overheating for a more restful sleep. You’ll appreciate the extra-quiet adjustable fastener that won’t startle your light sleeper during nighttime changes. The Sleepea swaddle is also hip-healthy, carrying the International Hip Dysplasia Institute seal of approval. As your baby grows, the arm openings can be unsnapped for a natural transition to independent sleep with arms out. By choosing this bundle at HappiestBaby.com, you save 30% compared to buying a single swaddle. Having multiple sacks on hand is a lifesaver for quick changes after inevitable spit-ups or leaks, ensuring you and your baby are always ready for a peaceful night. Trusted by parents and celebrated by experts, the Sleepea Swaddle Sack Bundle is the last swaddle you’ll ever need to buy.

Give your little one the gift of safe, sound sleep with the Happiest Baby 100% Organic SNOO Sleep Sack in Large. Designed exclusively for use with the revolutionary SNOO Smart Sleeper, this sleep sack is the key to longer, more peaceful nights for your baby and your entire family. Created under the guidance of renowned pediatrician Dr. Harvey Karp, every detail prioritizes infant safety and provides priceless peace of mind for parents. Crafted from premium 100% organic cotton, the Ivory Cherries design offers a soft, breathable, and gentle cocoon for babies weighing 18 to 25 pounds. The innovative secure swaddle design works in harmony with the SNOO's responsive rocking and soothing white noise, helping to calm startle reflexes and encourage deeper, safer sleep. This integrated system is clinically proven to add hours of sleep, supporting healthy development and giving weary parents much-needed rest. Choosing Happiest Baby means investing in sanity-saving solutions backed by expert pediatric science. The SNOO Sack is an essential component for getting the most out of your SNOO Smart Sleeper, ensuring your baby is secured safely for all naps and overnight sleep. Visit happiestbaby.com to complete your sleep setup with this expertly designed organic sleep sack and discover a happier, more rested household.

SNOO Sack was specially designed to be used in SNOO Smart Sleeper to help babies sleep safer, longer, and happier! And because SNOO Sack was created by world-renowned pediatrician Dr. Harvey Karp, you can trust that every detail was designed with baby safety and parent sanity in mind! 100% Organic SNOO Sleep Sack | Size: Small (5-12 lb) | Rainbow Tie-Dye

About Sleepea Swaddle Sack Bundle Bundle and save on the award-winning 5-second swaddle® sack! (3) Soft and cozy 100% organic cotton swaddle sacks Regular Bundle contains a swaddle in each size (small, medium, and large) Newborn Bundle contains two size small swaddle sack and one size medium Save 30% when you buy 3 Sleepea swaddles instead of just 1 The world's first 5-second swaddle® Double zipper swaddle sack that zips from top or bottom Special inner arm bands and leg flap keep even little Houdinis bundled all night Extra-quiet adjustable fastener, so light sleepers don’t startle awake with diaper changes Breathable mesh at the shoulders and waist of the swaddle sack to reduce overheating Perfect for healthy, growing hips (International Hip Dysplasia Institute seal of approval) Arm openings unsnap for babies who prefer to sleep with arms out Naturally transitions babies to become independent sleepers Note: Not for use in SNOO. What People are Saying About the Sleepea Swaddle “The Winner…This swaddle is magic!” —NY Magazine “Sleepea: The Last Baby Swaddle You’ll Ever Buy.” —NY Family “Get The Perfect Swaddle In Just 5 Seconds…” —Romper Description Save 30% on Sleepea—our award-winning "5-second” swaddle—when you get 3 instead of just one! Ultra-soft, breathable, and 100% organic cotton…this swaddle sack is doctor-designed with baby safety—and parent sanity—in mind. Open-weave mesh at the shoulders and legs keeps babies comfy…all night. And, our double-zip zipper makes middle-of-the-night diaper changes a breeze. Our unique inner arm wrap even keeps little escape artists from wiggling their arms free. Our special super-quiet adjustable fastener won’t wake your baby, and Sleepea’s shape is hip healthy. We’ve really thought of it all! Extra swaddles always come in handy for those inevitable little spit ups and blow outs. Choose the bundle that works best for you, so you’ll be ready for those middle of the night quick changes: Newborn Bundle: Contains two small Sleepea swaddle sacks and one medium to give you a good supply for those special early months. Regular Bundle: Contains our Sleepea swaddle sack in one of each size (small, medium, and large). Want a single Sleepea swaddle sack instead of a bundle? Click here to buy a single Sleepea swaddle. Why Should You Swaddle Your Baby? Swaddling recreates the snug embrace of the womb to help soothe babies. Plus, it prevents startles, arm-flailing, and accidental nose-whacks keep your baby snoozing longer and happier. Note: For the first 6 months of life, babies should only sleep on the back. If your baby can roll, you should stop swaddling the arms. That’s because babies need to be able to push up in case they roll to the tummy and the face is pressing against the mattress. (Always consult your baby’s doctor for his/her advice.) Sleepea Swaddle Size Guide Small: 5-12 lb Medium: 12-18 lb Large: 18-26 lb Extra-Large: 26-33 lb Sleepea Swaddle Fabric & Care 95% Organic Cotton, 5% Elastane. Trim: 100% Polyester. Machine wash in cool or cold water with like colors. Never use hot water or chlorine bleach. Tumble dry on a low heat setting, making sure to dry the sack completely or air dry for best results! Please Note: Before putting Sleepea in the washer, always attach the arm bands & leg flap to each other and zip the sack completely closed. That will avoid damage that might be caused by the fastener clinging to other items in the load. Sleepea® Swaddle Sack 3 Pack Bundle | Size: Newborn | Midnight Planets

About Sleepea Swaddle Sack Bundle Bundle and save on the award-winning 5-second swaddle® sack! (3) Soft and cozy 100% organic cotton swaddle sacks Regular Bundle contains a swaddle in each size (small, medium, and large) Newborn Bundle contains two size small swaddle sack and one size medium Save 30% when you buy 3 Sleepea swaddles instead of just 1 The world's first 5-second swaddle® Double zipper swaddle sack that zips from top or bottom Special inner arm bands and leg flap keep even little Houdinis bundled all night Extra-quiet adjustable fastener, so light sleepers don’t startle awake with diaper changes Breathable mesh at the shoulders and waist of the swaddle sack to reduce overheating Perfect for healthy, growing hips (International Hip Dysplasia Institute seal of approval) Arm openings unsnap for babies who prefer to sleep with arms out Naturally transitions babies to become independent sleepers Note: Not for use in SNOO. What People are Saying About the Sleepea Swaddle “The Winner…This swaddle is magic!” —NY Magazine “Sleepea: The Last Baby Swaddle You’ll Ever Buy.” —NY Family “Get The Perfect Swaddle In Just 5 Seconds…” —Romper Description Save 30% on Sleepea—our award-winning "5-second” swaddle—when you get 3 instead of just one! Ultra-soft, breathable, and 100% organic cotton…this swaddle sack is doctor-designed with baby safety—and parent sanity—in mind. Open-weave mesh at the shoulders and legs keeps babies comfy…all night. And, our double-zip zipper makes middle-of-the-night diaper changes a breeze. Our unique inner arm wrap even keeps little escape artists from wiggling their arms free. Our special super-quiet adjustable fastener won’t wake your baby, and Sleepea’s shape is hip healthy. We’ve really thought of it all! Extra swaddles always come in handy for those inevitable little spit ups and blow outs. Choose the bundle that works best for you, so you’ll be ready for those middle of the night quick changes: Newborn Bundle: Contains two small Sleepea swaddle sacks and one medium to give you a good supply for those special early months. Regular Bundle: Contains our Sleepea swaddle sack in one of each size (small, medium, and large). Want a single Sleepea swaddle sack instead of a bundle? Click here to buy a single Sleepea swaddle. Why Should You Swaddle Your Baby? Swaddling recreates the snug embrace of the womb to help soothe babies. Plus, it prevents startles, arm-flailing, and accidental nose-whacks keep your baby snoozing longer and happier. Note: For the first 6 months of life, babies should only sleep on the back. If your baby can roll, you should stop swaddling the arms. That’s because babies need to be able to push up in case they roll to the tummy and the face is pressing against the mattress. (Always consult your baby’s doctor for his/her advice.) Sleepea Swaddle Size Guide Small: 5-12 lb Medium: 12-18 lb Large: 18-26 lb Extra-Large: 26-33 lb Sleepea Swaddle Fabric & Care 95% Organic Cotton, 5% Elastane. Trim: 100% Polyester. Machine wash in cool or cold water with like colors. Never use hot water or chlorine bleach. Tumble dry on a low heat setting, making sure to dry the sack completely or air dry for best results! Please Note: Before putting Sleepea in the washer, always attach the arm bands & leg flap to each other and zip the sack completely closed. That will avoid damage that might be caused by the fastener clinging to other items in the load. Sleepea® Swaddle Sack 3 Pack Bundle | Size: Regular | Ivory Planets