Finish your creation with a dependable COSTUMAKERS zipper. This 85 cm (34 in) one-way separating model in navy features #5 silver metal teeth mounted on reinforced polyester tape for smooth, snag‑free operation. The medium 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 rugged coats, parkas & sailing gear, 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.