Copper is one of the metals preferred by our grandparents and ancestors for various health benefits and cheapest solution to clean water. Copper is perfect for those who lead an active lifestyle. This Bottle is Made of pure copper, this is BPA free and made of food-grade material. The material of the bottle makes it non-toxic and completely safe to drink water in it. The best way to reap the best benefits from copper is to fill water in a copper cup, leave it overnight and drink the water very next morning. Drink it empty stomach every morning and see the benefit. It comes in a sophisticated and classy design making this bottle an exquisite piece of functional art. Cleaning Instructions : – Clean bottle from inside before use: Do not use scrubs to clean. Dishwasher Safe. Note- Our bottle is lacquer coated, So no worry about darkening the bottle.