Advantages: These craft bottle caps are treated with baking varnish, resulting in bright and vibrant colors with a smooth, even finish. The surface is free from lines and color differences, and the caps are resistant to wear. Made of metal, they are sturdy and not easily deformed. The edges are specially treated for a smooth feel and to help prevent scratches. Instruction: Cut the image into a circular shape, apply glue directly to the bottle cap or on the back of the image, then place the image onto the cap. When used with epoxy stickers, the design can achieve a 3D visual effect. Application: These flat bottle caps are ideal for DIY craft projects. They can be used to create necklaces, keychains, refrigerator magnets, scrapbook embellishments, badges, hair accessories, and more. With their vibrant colors, they are also suitable for home and holiday decorations. These bottle caps are a great choice for classroom craft activities. NOTE: These bottle caps are intended for craft use only. They do not have a rubber lining and cannot be used as functional bottle seals. Avoid applying heavy pressure or using heavy objects on the caps to prevent deformation. Treatment: Baking Varnish Overall Dimensions: 32 x 6 mm / 1.26 x 0.24 inch (Diameter x Height) Bottom Inner Diameter: 25 mm / 0.98 inch Color: Pink Material: Metal Package Contents: 160 x Bottle Caps for Crafts Note: Light reflection and differences in display screens may cause slight variations in the color shown in the image compared to the actual item. Measurement may vary by up to +/- 1-3 cm.