Size - This leather rivet kit includes 100 sets of 8mm x 9mm rivets, suitable for fabrics 3-5mm thick. Material - Made of metal that is rust-resistant and corrosion-resistant, ensuring long-lasting durability. The smooth surface is resistant to fading and maintains its shine. Features - With a double cap design, these small leather rivets bind firmly and are not easily bent even after repeated washing. Uses - Suitable for leather craft DIY projects such as decoration and repair. Can be used on bracelets, hats, jeans, belts, shoes, jackets, clothing, pet collars, etc. s29-17-16