These craft bottle caps can be used to make bottle cap necklaces, badges, hair bows, refrigerator magnets, scrapbooks and other crafts. They are also very suitable for craft classes, and holiday decorations.SpecificationColor: Mixed ColorsMaterial: TinplateOverall Dimensions: 33 x 7 mm / 1.3 x 0.28 inch (Dia*H)Bottom Inner Diameter: 25 mm / 0.98 inchPacking List: 100 Pieces of Bottle Caps for CraftsAdvantages1. These craft bottle caps are made of tinplate, which is durable and not easy to deform. The edges of the bottle caps are specially treated to be non-irritating to the touch, making them suitable for craft making.2. Concave and convex round flat bottle caps, positioning the image on the bottle cap can create a 3D look.