Description: These metal cover button kits are made of high quality aluminum alloy, sturdy. They come in five sizes, 12 mm, 15 mm, 18 mm, 22 mm, 28 mm, which not only help you match different clothes, but also suitable for hats, sweaters, backpacks, DIY crafts and other items to meet your various needs. Key Feature: Button Cover: Our metal button cover is made of high quality aluminum alloy, which is sturdy to ensure you can use it for a long time. And it comes in five different sizes, each size has 20 pieces of buttons, the quantity is enough for your daily use. Multifunctional Cover Button Kit: These cover buttons are versatile, it is suitable for your clothes, hats, sweaters, backpacks, DIY crafts and other items, you can use it according to your needs. Specification: Product Name:Cover Button Kit Tool Material: Soft Rubber + ABS. Tool Size: 14.5×4.2 cm/5.7×1.6 inch Button Material: Metal Button Size: 12 mm/0.4 inch, 15 mm/0.6 inch, 18 mm/0.7 inch, 22 mm/0.8 inch, 28 mm/1.1 inch