This 18" Invisible Nylon Coil Non-Separating Closed-End Zipper is the perfect choice for achieving a clean, concealed finish on garments and sewing projects. Featuring #2 (4.1mm) nylon teeth that stay hidden when zipped, this zipper offers both durability and elegance. The automatic lock slider ensures secure closure, while the nylon teeth are color-matched to the zipper tape for seamless blending. Designed for use in pants, skirts, dresses, cushions, and upholstery, this zipper is a versatile addition to any sewing toolkit.