Complete your project with a COSTUMAKERS 20 cm (8 in) closed end zipper in black. Built with Invisible #2.5 nylon coil on reinforced polyester tape, this ultra light weight closure delivers smooth operation, excellent corrosion resistance and consistent dye‑lot accuracy. Precision‑cut tape keeps width uniform for easy insertion, while an ergonomic pull provides confident grip. Engineered for dresses, skirts & pants, each production run is tensile‑tested and slider‑fatigue inspected so your garments stand up to daily wear and repeated laundering without compromise.