Package Content: You will receive a total of 205 sewn button kits, including 100 button covers, 100 button backs, and 5 button fastener tools. This quantity is sufficient to meet your daily usage 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 wires in each button cover. Product Material: Our buttons are made of high-quality aluminum alloy, which is lightweight, sturdy, and durable, 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 operate, allowing you to complete button installation in a short amount of time. Widely used: These button cover silver medals are widely suitable for hats, sweaters, backpacks, DIY decorative crafts, and more. The size is complete, whether it's button repair or DIY button accessories, you can find the appropriate size button, DIY belongs to your personal style button. Color: Silver Material: aluminum Package Contents: 205 x sewn button kits 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.