Double-walled thermo mug with stainless steel inner, AUTOSEAL® technology (100% spill and leak-free design. Press the button AUTOSEAL®, take a sip. The drinking hole closes automatically after each sip) and additional security closure and additional safety lock. Drinks stay hot for up to 5 hrs and cold for up to 12 hrs. Only the lid is dishwasher safe. Includes instructions. Capacity 470 ml. Perfect match with the removable infuser Contigo® TEA Infuser, Item 4210. With this accessory, you can make tea on the move. Specially developed for the Contigo® West Loop Mug. Contigo® The best in quality, design and technology. Immediately recognisable by its sleek and stylish design, strong and solid. The innovative Contigo® water bottles and thermo cups are odourless, tasteless, BPA-free and based on the revolutionary AUTOSEAL® or AUTOSPOUT® technology (2 year warranty). Closed the spout is protected from dirt and microbes. The drinking bottles are operated one-hand and guaranteed to be 100% leak-free, socan be used on the go. Our top favourites for a durable promotion!