Complete your project with a dependable COSTUMAKERS zipper. This 45 cm (18 in) one-way separating model in black features #5 metal teeth on reinforced polyester tape for smooth, snag‑free performance. The medium weight construction resists corrosion, UV fading, and repeated laundering while precision‑cut tape keeps width consistent for easy installation. Makers value COSTUMAKERS for tight length tolerances and shade‑match consistency that integrates seamlessly into new builds and repairs. Ideal for rugged coats, parkas & sailing gear, each batch is tension‑tested and slider‑fatigue inspected to ensure garments and soft goods stand up to daily wear. Whether you’re sewing bespoke couture, scaling production, or reviving a treasured piece, choose the zipper trusted by professionals for colour accuracy, durability, and flawless function.