The All-new Drink Some Sink Some Mug! this will be sure to keep your coffee warm on the boat or in those long lines at the ramp! Designed and manufactured by Low Hole Clint right here in Vancouver, WA. 

Specs: 
This 20 oz. Stainless-Steel tumbler features double-wall vacuum insulation with a clear slider lid. The mug has a narrower bottom to fit most standard cup holders. It is 2X heat & cold resistant compared to a normal tumbler. These tumblers are made from 18/8 gauge stainless steel (18% chromium/8% nickel) - also known as Type 304 Food Grade.