23 cm / 9 Inch Dark Grey Invisible Zip Nylon Closed End Concealed Zipper for Dressmaking, Skirts, Cushions, Bridal & Alterations Giddy Square

High‑quality invisible zipper in Dark Grey designed to give a clean, seamless finish in dresses, skirts, bridal wear and more, blending naturally into the fabric for a professional look. Smooth‑glide nylon coil ensures easy opening and closing without snagging, making sewing simpler for both beginners and experienced dressmakers. Durable reinforced polyester tape provides strength while remaining lightweight and flexible, suitable for delicate and everyday fabrics. Perfect for cushions, costumes, alterations and handmade clothing, offering consistent quality and colour reliability for repeated projects. Easy to install with an invisible zip foot; fully machine washable to 40°C and safe for low‑heat tumble drying for long‑lasting performance.