Advantages: The surface of these craft bottle caps is treated with baking varnish, which makes the color of the bottle caps bright and full, the surface is even and smooth, without lines and color difference, and wear-resistant, making them very suitable as accessories for DIY crafts. The bottle cap is made of metal, which is sturdy, durable and not easy to deform. The edge of the bottle cap has been specially treated, it feels smooth and not easily scratched. Instruction: Cut the image into a circle, apply glue directly to the bottle cap or on the back of the image, and then place the image on the bottle cap. If used with epoxy stickers, it can give the photo a 3D visual effect. Application: These flat bottle caps are DIY craft projects. You can use them to make bottle cap necklaces, keychains, refrigerator magnets, scrapbooking embellishments, badges, hair accessories, etc. The bottle caps have very bright colors and can be used as home decorations and holiday decorations. If you are a teacher, these craft bottle caps are also very suitable for use in handcraft classes. NOTE: These bottle caps are for crafts only, they do not have a rubber lining inside and cannot be used as bottle seals. Do not use heavy objects to press on the bottle caps to avoid deformation. Surface Treatment:Baking Varnish Overall Dimensions:32 x 6 mm/1.26 x 0.24 inch (DiaxH) Bottom Inner Diameter:25 mm/0.98 inch Colour:Purple Material:Metal Package Contents: 160 * Bottle Caps for Crafts 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.