Heavy weight, Brass Ancient & Pestle With Engraved Design Og Indian Elephant Marathon , this product is being used by five star hotels - Instructions: - 1. Hand wash only, do not use dishwasher 2. Brass as a metal has nature to oxidize, use a solution of vinegar or lemon juice and salt diluted with some water at such times but not regular. 3. Do not use metal or any hard scrubber that can put scratches on body, always use a soft sponge for washing 4. Use Copper and Brass Shining Powder or Food Safe Polish to shine is back to as brand new