ARTISAN CRAFTED Handmade metal ware is made by skilled craftsmen in India. Cleaning Instructions:- Clean your copper ware by hand and avoid dishwasher. Use pitambri powder to clean copper utensils and wipe with soft cotton cloth. Copper Products Tarnish 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.