HILL TRIBE SILVER CALA FLOWER CHARM. Each piece is approximately 6.8 x 22 mm/piece. The price and weight given is per piece. The minimum order is the number in the quantity section. OEM are eligible for price/gram discounts. Some Karen Hill Tribe Silver designs may require a minimum order of 300 grams, as the design may be out of date and no longer being produced/out of stock.