Perfect for sipping stylishly at home or al fresco, the Wine Tumbler keeps your wine cool for longer. Therma-S’well® Technology with triple-layered, vacuum-insulated construction designed to keep drinks colder or hotter for longer. Stemless design is ideal for indoor or outdoor use. Splash-proof, Slide-Open Lid. 18/8, food-grade stainless steel. Condensation-free exterior won't sweat in your hands or on countertops and tabletops. BPA/BPS-free and reusable. Dishwasher safe or hand wash with warm soapy water. Lid is top-rack only.