Dritz Sew-On Snaps are used to hold overlapping edges of fabric together and are ideal for use on clothing and accessories. These snaps have been specially crafted for durability and toughness. Use them on sewing projects that need a closure like scissor holders or a purse, or as garment closures for your sweatshirts, cardigans, coats and other apparel. This package contains 12 sew on hooks size 4/0. Made of brass material with a black finish.