[Package Include] 4 pcs replacement button pins for pants. Button surface diameter is 17mm. [High-Quality Material] Instant jean button made of zinc alloy which is sturdy, durable and resistant to corrosion, not easy to bend or damage under finger pressure. [Easy to Use] These button pins for jeans are very easy to use. No-sew, no tool required, you can install the buttons easily with your hands. [Card Slot Design] These buttons feature a unique card slot design, preventing them from falling off when inserted. They stay securely in place and are removable and reusable. These jean buttons are also an excellent replacement for missing buttons. [Widely Used] These button pins can adjust the size of your pant waist when it's too loose in seconds. They can also be used as functional or decorative accessories for hats, belts, windbreakers, shirts, trousers, backpacks, cotton clothes, shoes, suits, coats, and other garments. Suitable for DIY projects by adults and children.