This CAT AUTOSEAL® Travel Mug is your solution to spills and leaks. With exclusive AUTOSEAL® self-sealing lid technology, accidental spills are eliminated, while double-wall, vacuum-insulated, stainless-steel construction keeps beverages hot for 4 hours or cold for 12 hours. The 470ml mug is emblazoned with the iconic CAT® design mark. Enjoy hot coffee or icy-cold refreshment in spill-proof, leak-proof peace of mind.