GearNews - Contigo West Loop Stainless-Steel Vacuum Insulated Mug
The stainless steel vacuum-insulated technology is said to keep coffee or tea hot for up to four hours and cold beverages cool for up to 12 hours. The Contigo Autoseal technology guarantees a 100% spill and leak-proof drinking experience, says the maker, by sealing automatically between sips. It has a 470ml capacity and comes in eight colours. Expect to pay £30.