COPPER BABA™ 5 Litre Hammered Copper Water Dispenser (Matka/Pot) Container Pot with 1 Copper Glasses and Stand | 100% Pure Copper and Ayurvedic Health Benefits (5000 ml) Care Instructions: Copper utensils needs to be cleaned at regular interval for removing the dark marks.Dark marks are formed due to oxidization process.It is the basic nature of Pure Copper that it oxidizes when it comes in the contact of air and water. Features and Benefits: Hand crafted Pure Copper Water Dispenser 100% leak proof Sleek look & joint less For maximum benefits keep the water overnight Cleaning Instruction: Hand wash only Towel & Air Dry only Don’t use Harsh Scrubber, Use soft Sponge