From ancient times people use copper vessels to store water. Copper is a well-known metal because of its anti-inflammatory and antimicrobial properties.Indian Bartan offers a Matt finished copper sipper👉🏼Note Water must be stored for atleast 6 to 8 hours in a copper vessel before consumption It is leak proof copper water bottle. Material type: Copper; No. of pieces: 1; Capacity: 920 ML; Colour: Brown This bottle is easy to clean and maintain, Use a mild detergent or dish wash liquid and clean on the inside with a bottle brush and do not scrub it on the outer surface of the bottles as it has lacquer coating outside . Weight :500gm