500 Black KAMsnaps Refills Plastic Snaps No-Sew Button Fastener for Clothes, Cloth Diapers, Bibs, Unpaper Towels - Lead Tested, CPSC Compliant 500 complete sets (1000 caps, 500 sockets, 500 studs) of black KAM plastic snaps, size 20 standard length. Snaps require KAM or Babyville snap pliers to install. Plastic snaps have been tested for lead and phthalate content in accordance with CPSIA regulations for children's products. Snaps are commonly used on clothing, cloth baby diapers, bibs, towels, and other in the hoop embroidery, craft, sewing and household projects. Machine washable and dryable.