Finish your creation with a dependable COSTUMAKERS zipper. This 18 cm (7 in) closed end model in topaz features #2.5 nylon coil teeth mounted on reinforced polyester tape for smooth, snag‑free operation. The light weight construction resists corrosion, UV fade and countless wash cycles while the precision‑cut tape keeps width consistent for hassle‑free installation. Makers appreciate the ergonomic pull that zips in seconds and the tight dye‑lot tolerances that maintain brand colours. Perfect for bustiers, halter tops, dresses & skirts, every batch is tension‑tested and slider‑fatigue inspected to ensure garments perform season after season. Whether you’re repairing a vintage jacket, sewing a custom athleisure piece or delivering a production run, trust COSTUMAKERS for colour consistency, exact length tolerances and proven durability.