S’well’s signature Original Bottle in 17 oz keeps beverages cold for up to 36 hours or hot for up to 18 hours using Therma-S’well Technology — triple-layered, vacuum-insulated construction with a copper inner layer. Crafted from 18/8 food-grade stainless steel with a condensation-free exterior, the bottle mouth fits most ice cubes and the body fits most standard cup holders.
