Specification:- Material: Copper, Weight: 300 Gram, Volume: 1000 ML copper is considered an essential mineral for our body. Ayurveda recommends storing water overnight in a copper Vessel and drinking it first thing in the morning for maintaining good health Copper Products Tarnish/oxidize over time, this is Natural for Copper products. Please follow the care Instruction manual for cleaning Copper products. Sample Copper Cleaning powder and instruction manual is provided with every order Warnings: Don't use the Bottle for storage other than water.