20oz laser engraved bamboo leatherette stainless steel tumbler, saying "I seriously need a speedbump between my brain and my mouth".
Features double-wall vacuum insulation with a clear lid. The mug has a narrower bottom to fit most standard cup holders. It is 2X heat & cold resistant compared to normal tumblers. Made from 18/8 gauge stainless steel also known as Type 304 Food Grade.