We believe that copper is the best material from which water bottles can be made and worked hard to produce an aesthetically pleasing product that fits an active lifestyle, supports the maintenance of good health and helps the environment by avoiding use of disposable plastic bottles. The perfect way to cool water Copper Bottles helps water stay cooler for longer. This bottle is heat sensitive; Let hot drinks like hot water, tea as a bottle be hot. New and improved cap is made to be screwed on to give you a long and leak-proof use. It is waterproof with a seal that can withstand the water, even when the bottle is turned over.