Starter Pack 150 Lead-Tested KAMsnaps Size 20 KAM Snaps Plastic Snap Cloth Diaper/Bibs/Unpaper Towels/Nappies/Buttons/Mama Pads Snaps are commonly used on clothing, cloth baby diapers, bibs, towels, and other embroidery, craft, sewing and household projects. Size 20 (approx 1/2 inch cap diameter), the same size used on commercial cloth baby diapers and most other projects. 150 complete sets in 10 colors. 30 caps, 15 sockets, 15 studs per color. Plastic snaps are rust-free, machine washable and dryable.Compliant with CPSC CPSIA regulations regarding lead and phthalates in children's products. Requires KAM pliers or KAM press to install (sold separately--see our other listings).