20-Inch Invisible Nylon Coil Non-Separating Zipper is the ideal choice for tailoring and garment construction. Designed with a concealed finish, the nylon teeth remain invisible when the zipper is closed, providing a smooth and elegant appearance. The automatic lock slider ensures reliable functionality, while the nylon teeth and tape offer durability and flexibility for everyday wear. Commonly used for dresses, skirts, slacks, and blouses, this zipper is a staple for both home sewing projects and professional tailoring.