Details: Package includes 8 x Blank with Acrylic Protective Boxes, the diameter is 4cm/ 1.57inch and the thickness is 0.2cm/ 0.08inch, sufficient quantity and suitable size to DIY or make crafts. DIY Coins: This set with compact blank surface is perfect for laser engraving patterns, words, or personalized ; each coin is with an individual transparent acrylic protection box to protect the coin better and prevent from loss, scratch, damage or stain. High Quality Material: This set of blank coins is made of solid Alloy with non electroplated brushed finish, durable, dustproof, rust proof and wear-resistant, not easy to fade, break or deform, will be in for a long time. Versatile & Elegant: Engraving blank coins can be used as collectible coins or commemorative coins for coin collectors, DIY craft lovers, family, friends or colleagues, can also be matched with hooks, rings, pins, tassels, etc to make beautiful pendants, necklaces, bracelets, earrings, custom key chains, pet ID collars, keepsakes or other decorative items. NOTE: Alloy coins are suitable for laser engraving, manual engraving or metal engraving machine, the inside material may undergo oxidation, blackening or copper green during engraving, which is a normal phenomenon! Colour:silver Material:alloy Size:4cm Package Contents: 8 x Blank Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.