Each set of 12 snaps come with 4 parts. 12 colorful top snaps, 12 grommets, 12 5 point prong, and 12 studs. Use with snapping pliers. (available at your favorite craft store)
Machine washable. 7/16" diameter.
To view other colors, please see my snap section: http://www.etsy.com/shop/kmorey?section_id=10636264
Colors from my monitor may vary from yours.