This metal was used to make eating utensils in the olden times. It helps in inflammation and improving hemoglobin & digestion. A Sanskrit saying - Kansyam Buddhivardhakam - Kansa sharpens our intellect pays tribute to its therapeutic powers.This Product Contains 78% Copper & 21% Tin Set Contents : 1 Pc. Thali (11.5 Inch) , 2 Pcs. Katori (3 Inch), 1 Pc. Desert Bowl (4 Inch) , 1 Pc. Spoon & 1 Pc. Glass (250 ml) Wt : 1.470Kg. Usage & Cleaning Tips: 1. Keep bronze pieces as clean as possible. 2. Store in an even, low humidity area. 3. The recommended method of cleaning bronze is by using all natural, universal cleaning agents : A solution of 1 tablespoon of salt and 3 1/2 quarts of water, lightly scrub, rinse well & Cleaning with tamarind or lemon"