Specification: 100 pieces per pack, mixed Size 3# and Size 5# zipper sliders, for nylon coil zipper tape Material: Metal slider body, matches tooth structure of Size3# / Size5# nylon coil zippers Replacement Function: For replacing broken, stuck or missing pull heads on existing nylon zippers Wide Application: Fit for bags, garments, backpacks, pockets and various DIY sewing repair projects Compatibility Reminder: Only compatible with 3# & 5# nylon coil zippers, verify zipper specification before ordering