Made from 90% recycled 18/8 stainless steel and plastic. Keeps drinks cold for 11 hours and iced for 48 hours. Double-wall vacuum insulation. Extremely durable. Ergonomic handle for comfortable and easy carrying. BPA-free. Includes a reusable straw. Fits in a car cup holder. Flow State™ 3-position rotating lid: drink through the straw, drink opening, or closed lid position. The rotating lid helps prevent splashes but is not leakproof. To avoid spills, keep the cup upright. Dishwasher safe; lid should be hand washed. Fits most car cup holders. 25-year warranty.