This sturdy, vacuum-insulated, double wall, 18/8 stainless steel tumbler will keep your drink hot for up to 12 hours and cool up to 24 hours! A transparent, spill-proof, adjustable lid completes this on-the-go tumbler. The dual finish gives the Tied Tumbler a modern, upscale look and a solid feel with a large 20 Oz./600 Ml capacity. Grab it for the office, school, or car.