This 8.27"x3.94" 40oz travel tumblers is made from 304 stainless steel, supporting sustainable use. Double wall vacuum insulation means drinks stay iced or hot for hours. It features a wide mouth and a removable straw for effortless cleaning. Its threaded lid guarantees no leaks or spills, even when jogging or driving over bumps. It also includes an ergonomic handle for easy carry.