This 500 ml thermos bottle keeps your drink's temperature hot for 12 hours or cold for 24 hours. It is made of double-walled 18/8 premium stainless steel, making it extra durable. It has a leak-proof screw cap with et handle, which makes it easy to carry or attach to your backpack. The wide opening allows for easy filling and it can hold as many ice cubes as you want. The bottle is compatible with our Haps Nordic straw lid for extra convenience, which is particularly good for children or when the bottle is used for sports or on the go.