TRIPLE-LAYERED INSULATION: S’well 16oz Traveler with stainless steel. Triple-layered, vacuum-insulated construction. Exclusive Therma-S’well Technology keeps beverages cold for 24 hours and hot for 12. Sleek and beautifully crafted. THE PERFECT FIT: Ice cubes fit effortlessly inside the wide mouth. Features a thick rim for easy drinking. Its ergonomic shape is designed to fit securely inside backpacks and side pockets. DON'T SWEAT IT: Offers a condensation-free exterior that won't sweat in your hands or bag. WORRY-FREE HYDRATION: Made from 18/8, food-grade stainless steel with superior construction. BPA/BPS-free and reusable. Compliant with California Prop 65 regulations. SUSTAINABILITY WITHOUT COMPROMISE: You won't have to compromise fashion and functionality to live more sustainably with our sleek, beautifully crafted, built to last styles.