Designed to move with you, the Explorer features a Flip Straw Lid for quick sips while you’re on the go. Therma-S’well® Technology with triple-layered, vacuum-insulated construction designed to keep drinks colder or hotter for longer. Flip Straw Lid for quick sips. Built-in, ergonomic handle. Detachable straw for easy cleaning. Leakproof when closed. 91% recycled food-grade 18/8 stainless steel bottle. 18/8, food-grade stainless steel lid. Condensation-free exterior won't sweat in your hands or bag. BPA/BPS-free and reusable. Dishwasher safe or hand wash with warm soapy water. Flip Straw Lid is top-rack only.