TRIPLE-LAYERED INSULATION: S’well 40oz recycled stainless steel Tumbler XL. Triple-layered, vacuum-insulated construction. Exclusive Therma-S’well Technology keeps drinks cold for 50 hours and hot for 10. Dishwasher safe. Lid is top-rack only. THE PERFECT FIT: Features an 18/8 stainless steel lid and straw to create a splash-proof experience that's great for at-home or on-the-go sipping. A handle makes it easy to carry. DON'T SWEAT IT: Offers a condensation-free exterior that won't sweat in your hand or on your table. 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.