Give your project a professional edge with the COSTUMAKERS 12 cm (5 in) closed end zipper in black. Engineered with #3 brass metal teeth on reinforced polyester tape, this light weight closure glides smoothly, resists corrosion and UV fading, and stands up to frequent laundering. Precision‑cut tape maintains uniform width for stress‑free installation, while the pull tab offers ergonomic grip for quick changes. Ideal for jeans, skirts & pants, every batch undergoes tensile‑strength and slider‑fatigue testing so your finished pieces can handle everyday wear with ease. Designers and repair pros choose COSTUMAKERS for dye‑lot consistency, tight length tolerances, and hardware that lasts season after season. Whether you’re prototyping runway looks, producing small‑batch collections, or refreshing a favourite garment, count on our zippers for dependable performance and standout style.