The FAZARI 500 ml thermos is made of stainless steel, so it effectively keeps drinks hot for up to 8 hours. Equipped with a convenient "press" opening mechanism, which makes it easy to use the thermos on the go or in the car. The classic threaded cap doubles as a cup and the attached carabiner allows the thermos to be clipped to a bag or backpack. The slimline design makes it fit easily into car handles and side pockets of backpacks.