Premium Material: Made of high-quality thickened zinc alloy with gold-plated finish; bright & long-lasting color, solid structure, durable and non-deformable. Smooth blank surface ready for personal engraving. No burrs, comfortable hand‑feel for DIY processing. 40mm x 3mm Coin Blanks: Each coin measures 1.57 inches in diameter and 0.12 inches thick,perfect for names, dates, initials, logos, symbols, or simple custom artwork. Versatile DIY Craft Coins: These blank coins support laser engraving, chemical etching, metal stamping and hand‑carving. UV printing is NOT supported. Wide Application: Ideal for custom challenge coins, wedding favors, graduation gifts, team‑event medals, tokens, craft projects and keepsake making. Acrylic Clear Protection Box: each coin has a transparent acrylic case to prevent scratches and facilitate storage and display. WORRY‑FREE AFTER‑SALES: Feel free to contact us for any product‑related issues. ASIN B0H5PNC915 Item Weight 1.78 pounds Manufacturer LAIAMER Item model number BCCX002 Product Dimensions 1.57 x 1.57 x 0.12 inches