The package contains sufficient quantity of snap buttons which can meet various needs in different DIY crafts projects. The snap buttons and installation tools are made of iron and copper, the surface is smooth and not easy to fade, lightweight, chic retro appearance can remain for a long time. Features -Color: As shown. -Material: Iron, copper. -Size: About 12.50X6.50X2.00cm/4.91X2.55X0.79in. - Strong and sturdy for your DIY crafts project. Great for beginning crafting. - Different sizes snap button with setting tools, which can meet to your different needs in daily life. - These snap buttons are easy to install and use, with installation tools, even for beginners can easily learn to use it. - The snap fasteners are durable, they remain even after long time use, you can use it with confidence. - Widely used in crafts, handbags, clothing, belts, jackets, jeans, backpacks, shoes, other sewing projects, DIY, etc. Package list: 40 sets x 10mm buttons 40 sets x 12mm buttons 40 sets x 15mm buttons 40 sets x 17mm buttons 4 x 633# installation tool 4 x 655# installation tool 4 x 831# installation tool 4 x 201# installation tool 4 x 2.5mm installation tool 4 x base