About this item PRODUCT DIMENSION: #5 Black Metallic teeth nylon coil zippers by the yard bulk.Can be applied for home sewing uesd and arts crafts. Easy to open and close, no smell,soft and strong tape, slider/puller is very think, durable and colorfast. COLORS:Black Metallic teeth, Rainbow plated and polished slider and pullers. MATERIAL: Our nylon coil zippers are made of good quality nylon, thicker zippers tape and good quality metal zippers puller,and are certified by international inspection, which is durable and sturdy to use. Wide range of applications:Easy to sew, longer puller and wider tape is good for bag sewing. Can be used for bag, luggage, pillowcase, fine jewelry and other crafts or sewing.