Tubular Double Cap Rivets - Rainbow Metal Button Round Rapid Rivet,Rivet Studs for Purse Bags Handbags Shoes Belts Leather Craft Repair.we have two size and six color ,size:10mm,12mm.color:rainbow,rose gold,gold,silver,gunmetal,bronze.A variety of sizes and colors to meet your daily DIY needs.The tubular double cap rivets are made of nickel free copper,high quality material,anti-rust and durable,not easy to fade,strong and sturdy.