I hand cast all my pieces using the lost wax casting method. This Moon Pendant is Sterling Silver, The included chain is a Sterling Silver Rope chain. You may chose 16, 18 or 20 inch at the same price. Other length available at sightly higher prices. Please ask your needs. This Moon measures 3 5/8" tall by 2 1/2" across. You may call me with questions, often I am out so please use my machine. 831-476-3176. Satisfaction Guaranteed I send items USPS First Class unless otherwise directed. I send as soon as I can, usually in one to five days. I do shows and am out of the shop quite a bit. When I list an item, it is made and ready to sell. If it is sold before you order I will let you know and you have the choice of giving me the time to make another or to refund your money if you don't want to wait. I want satisfied people wearing my jewelry. Petes mold #3038