Enjoy your drinks the way they were meant to be in our 24oz S’well Tumbler with Straw. With triple-layer insulation, a stainless steel straw and a Slide-Open Lid, it keeps beverages cold for 18 hours or hot for 5, while providing a splash-proof, adventure-ready experience. Made from 18/8, food-grade stainless steel to reduce the need for single-use cups. Offers a condensation-free exterior that won't sweat in your hand or on your table. BPA/BPS-free and reusable.Top-rack dishwasher safe.