The package contains 12 sets of magnetic clasps, the diameter of each clasp button is about 15mm (0.59 inch). The color is silver. These handmade DIY magnetic buttons are packaged in a clear plastic box for easy storage and reuse Wide Application: Magnetic snap fasteners are perfect for DIY sewing crafts, purses, bags, wallets, sewing craft totes, scrapbooks, kits, jackets, clothing, and everything else you want to use magnetic snap fasteners on. Powerful functional magnetic fasteners - take the place of buttons and other closures. High Quality Materials: Magnetic snap buttons are made of high quality alloy and copper for durability and rust resistance. The surface of each button is finely plated, with good waterproof performance, and not easy to fade. Easy to Use: Each set consists of two parts that will automatically snap together once the two snaps are in place and close together. Perforated design for easy sewing. In the process of using magnetic buttons, it will not damage clothes and fabrics. After sewing, the buckle is durable and not easy to fall off. PLEASE NOTE: For small items, please keep buttons away from kids.What's in the box 1 x 12 Top button Magnetic Snap 1 x 12 Under Button Magnetic snap 1 x Measuring Tape