Your emotional support water bottle just got an upgrade. Cold drinks are kept colder, and hot drinks hotter, so you’ll enjoy your fave beverages the way they’re meant to be enjoyed. Triple layer insulation and the condensation-free exterior make this the ideal water bottle for the everyday. Superior performance, a sleek silhouette and an extensive collection of beautiful designs sets S'well apart. Our signature Therma-S’well® Technology is designed to keep beverages colder or hotter, longer than all the rest.... THERMA-S'WELL® TECHNOLOGY BPA + BPS FREE TRIPLE-LAYER INSULATION ZERO CONDENSATION Product Details Therma-S’well® Technology with triple-layered, vacuum-insulated construction designed to keep beverages colder or hotter, longer than all the rest. 18/8, food-grade stainless steel. Condensation-free exterior that won't sweat in your hands or bag. BPA/BPS-free and reusable. Hand-wash only. Therma-S'well® Technology keeps drinks hot or cold for hours Volume 9oz 17oz 25oz Cold (hrs) 24 36 48 Hot (hrs) 12 18 24