It's hard work being a curious kid in the great outdoors, so keep them hydrated with the PURE Drinkware Happy Lil' Camper Stainless Steel Flip Switch Tumbler! Vacuum-insulated, double-wall 304 stainless steel construction with a copper-plated interior keeps their favorite drink hot or cold for up to 24 hours and reduces condensation, so there's no need to fuss. Plus, it's BPA-, BPS-, and BPF-free for your peace of mind. A leakproof Tritan twist-on lid, complete with a built-in straw, offers easy, mess-free sipping. Fits in most cupholders. Dishwasher-safe. Vacuum-insulated, double-wall 304 stainless steel construction with a copper-plated interior Keeps their favorite drink hot or cold for up to 24 hours Reduces condensation BPA-, BPS-, and BPF-free Leakproof Tritan twist-on lid with built-in straw Fits in most cupholders Dishwasher-safe