This listing is for 200 gold and silver stamping blank charms. Great for any metal stamping or engraving project! Material:Stainless steel Size: 6mm x 5mm heart shaped, flat 1mm thick Hardness: very hard **Check out our metal stamping kits in our store All of our items will be shipped within 1 business day of purchase, unless otherwise stated on the listing and/or description. We ship Monday through Friday from Marble Falls, TX. Estimated shipping times: First class domestic (U.S.): Arrival within 2-5 business days after shipment Priority domestic (U.S.): Arrival within 1-3 business days after shipment First class international: Arrival in 14+ business days after shipment Priority international: Arrival within 6-10 business days after shipment to most locations All orders $20 and over will ship out with first class package mail. Spend $50 or more on qualifying items and receive a complimentary upgrade to priority mail: Domestic only. We do combine shipping on multiple purchases! If for any reason your cart is not calculating your shipping discount, please message us, and we will try our best to correct the issue. If you spend $40+ in our store on qualifying items, you will pay $0 shipping costs. Please see the individual listings for qualifying information.