The basics Use the Dritz Sew-On Hook & Eye Closures to hold finished edges of your fabric and apparel projects together. The benefits These closures are machine washable and dry cleanable. The uses These extra sturdy fasteners are ideal for waistbands on skirts and pants. The bottom line This package contains 3 sets of nickel-plated brass and 1 set of black sew-on hook & eye fasteners.