This cut-to-size nylon upholstery zipper is used with pillow, cushions and slip covers. This zipper has features slides are already attached and cut to make up to 12 zippers. Instructions are leave all tabs on the zipper and slide them along the coil until exposed zipper is 2-Inch longer than required length. The last tab will be used for your zipper. Pull this tab into the measured section and leave zipper closed. Cut zipper 2-Inch longer than required length. Do not unzip. Stitch zipper stops at each end to secure zipper. To do this, set sewing machine to zigzag at widest width and a length of 0. For bottom stop zigzag in place across zipper coil 1-Inch from bottom end. For top stops pull zipper tab down 1-Inch. Zigzag across the coil on each side. For safe storage zigzag over the open end of remaining coiled zipper to prevent accidental tab removal. Available in black color. Measures 45-Inch size.