Complete your project with a COSTUMAKERS 70 cm (28 in) two-way separating zipper in black. Built with #5 nylon coil on reinforced polyester tape, this medium 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 sportwear, jackets & vests, each production run is tensile‑tested and slider‑fatigue inspected so your garments stand up to daily wear and repeated laundering without compromise.