Finish your piece with a professional, reliable closure using the COSTUMAKERS 40 cm (16 in) one-way separating zipper in seal brown. Built with #2.5 nylon coil teeth on reinforced polyester tape, this light weight zipper glides smoothly, resists corrosion and UV fading, and withstands repeated machine‑wash cycles. Precision‑cut tape keeps width consistent for hassle‑free installation, while the ergonomic pull lets wearers suit up in seconds. Ideal for jackets, vests and activewear layers, every batch is tension‑tested and slider‑fatigue inspected so your garments look sharp and perform season after season. Whether you’re upgrading a vintage find, sewing a bespoke outfit, or completing a production run, choose COSTUMAKERS for tight tolerances, colour consistency, and dependable long‑term performance.