The COSTUMAKERS Bulk Packed Light Weight Closed End Zipper 18cm (7 in.) - Navy is perfect for high-volume projects and repairs, offering a cost-effective solution without sacrificing quality. These bulk-packed zippers feature a #2.5 nylon coil and light-weight tape for easy insertion in dresses, skirts, and pants. To install, stabilize the fabric with stay tape, baste the zipper in place, and stitch with a zipper foot, maintaining even stitching close to the coil. After sewing, test the slider along the full length to ensure flawless operation. Press parallel to the stitching line to set seams and avoid distortion. With bulk quantities at hand, you can streamline production runs or offer closet-to-custom alterations efficiently. Always store in a dry area away from direct sunlight to preserve tape flexibility and coil integrity.