Give your creation a professional, durable finish with the COSTUMAKERS 45 cm (18 in) one-way separating zipper in black. Built with #5 Vislon molded teeth and reinforced polyester tape, this medium weight zipper glides smoothly without snagging and resists corrosion, UV fading, and repeated machine‑wash cycles. Its precision‑cut tape maintains consistent width for trouble‑free installation, while the easy‑grip pull allows quick suit‑ups. Ideal for sportwear jackets, hoodies, and active coats, it lets makers focus on design without worrying about failure in the field. Every COSTUMAKERS closure is batch‑tested for tensile strength and slider fatigue, ensuring that garments withstand season after season of wear. Whether you’re replacing a broken zipper or finishing a brand‑new design, choose the brand trusted by professionals for tight length tolerances, colour consistency, and proven longevity.