Single-wall glass tumbler. Soft, grip sleeve. Bamboo push-on lid, matching Tritan™ straw included. Non-slip bottom, fits in most car cup holders. Do not freeze or microwave. Use soap and water to clean, keep the bamboo lid dry when not using, The straws should also be pulled from the lids, as the seal between the straw and the lid is tight, store the lids and components separately from the tumbler. Choose between color imprinting or our new cutting edge, dishwasher safe, laser decoration method. BPA Free. Exclusive. 20oz. White ink only this will be a tone on tone decoration for the White tumbler.