100 Glossy Pastel Blue (B20) Round KAM Plastic Resin Snaps Craft Baby Bib Cloth Diaper Plastic snaps are rust-free, machine washable and dryable.Compliant with CPSC CPSIA regulations regarding lead and phthalates in children's products. Size: 20, or T5 (Cap diameter: approx. 1/2''(12.4mm) prong length: approx. 1/5'' (5.6mm)) Quantity: 100 sets (1 set of snap includes: 2 caps, 1 studs and 1 sockets) Requires KAM pliers or KAM press to install (sold separately--see listing # B009VL4VOA) Snaps are commonly used on clothing, cloth baby diapers, bibs, towels, and other embroidery, craft, sewing and household projects.