Package content: You will receive a total of 205 sewn button sets, including 100 button covers, 100 button backs, and 5 button fasteners. This quantity is sufficient to meet your daily use needs. Various sizes: There are 5 button sizes: 24 (0.6 inches/1.5 centimeters), 30 (0.75 inches/1.9 centimeters), 36 (0.9 inches/2.3 centimeters), 44 (1.1 inches/2.8 centimeters), 60 (1.5 inches/3.8 centimeters), 20 buttons and threads in each button cover. Product material: Our buttons are made of high-quality aluminum alloy, which is sturdy and can be used for a long time. Easy to use: Each size of our buttons comes with a special installation tool that is easy to touch and use, allowing you to complete the button installation in a short time. Widely used: These silver button cover medallions are widely suitable for hats, sweaters, backpacks, decorative DIY crafts, and more. The size is complete, whether it is button repair or DIY button accessories, you can find the appropriate size of the button, DIY belongs to your personal style button. Color: Silver Material: aluminum Package content: 205 x Sewn button covers 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 allowed measurement error is +/- 1-3 cm.