This kit includes 100 sets of size T5 white snap buttons. Tool toolkit includes a hook awl Our snap buttons are made of good-quality material, which is tough, , non- and odorless, and machine washable. At the same time, it not have the trouble of rusting like a metal button Simply put a buckle and male button and . Repeat for the female button. You hear a popping sound when the snap fasteners; this signals that the installation process is complete. You can also search on for about how to snap Our plastic snaps for fabric snaps size is T5. (Cap diameter: . 1/2inch(12 mm) length: . 1/5inch (5.6 mm). If you're not good at it or using it for the first time, we suggest that you practice with an unwanted cloth Theses plastic snaps for fabric with tool have a wide range of uses, which can be used to make baby romper, nappies, infant clothing, baby diapers, baby bibs, doll carrier, towels, curtains, quilt covers, glove, pillowcase, wallets, bags, umbrellas, raincoats, crafts, and other sewing projects Color: As Shown Material: Plastic+Metal Package Contents: 1 set * plastic snaps Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.