byThe Coats Clark Dual Duty Separating Zipper is a versatile and durable sewing and crafting tool. With a polyester tape material and white brass teeth, it is suitable for medium weight fabrics and provides a secure closure. The 16-inch length of 40cm makes it perfect for various projects and the brand reputation of Coats & Clark ensures quality and reliability. Whether you are sewing, crafting, or connecting various materials, this zipper is a valuable addition to your toolkit.