This two slider, closed bottom zipper has a 100 polyester coil and tape, and is designed for use in purses, handbags and totes. 3 colors. COATS&CLARK-Zipper. Coats Purse Zipper features a duo-slider, closed bottom and was designed for use in purses, handbags and totes. It is a 100% polyester coil and tape. This package contains one 18in zipper. Available in a variety of colors: each sold separately.