Perfectly contoured to fit in your hand, the Traveler will quickly become your go-to for drinking on-the-go. This new wide mouth shape is optimal for stirring up and carrying a cup of coffee or adding ice cubes to your favorite beverage. The 16oz Traveler keeps beverages cold for 26 and hot for 11 and fits most cup holders. S'well bottles feature Therma-S’well(R) Technology with triple-layered, vacuum-insulated construction designed to keep beverages colder or hotter, longer than all the rest. Made from 18/8, food-grade stainless steel and includes a copper wall layer that creates a condensation-free exterior that won't sweat on your hands or in your bag. BPA/BPS-Free and reusable. Hand-wash only.