TRIPLE-LAYERED INSULATION: S’well 40oz Explorer with recycled stainless steel. Triple-layered, vacuum-insulated construction. Exclusive Therma-S’well Technology keeps beverages cold for 54 hours and hot for 12. Dishwasher safe. Lid is top-rack only. THE PERFECT FIT: Features a classic lid with built-in handle for comfortable carrying on the go. Ice cubes fit effortlessly inside the wide mouth. DON'T SWEAT IT: Offers a condensation-free exterior that won't sweat in your hand or on your table. Lid is leakproof when closed. WORRY-FREE HYDRATION: Made from 91% recycled food-grade 18/8 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.