DURABLE MATERIAL: Coil Zippers are made of nylon material, thicker zippers cloth and good quality metal zippers head, easy to closing and opening. Uniform size & Colorful Zippers kit: 0.98 inch/2,5 cm of width, 9 inch/23 cm of length and there are about 1.18-1.57 inch / 3-4 cm without zipper teeth for easy sewing. 20 assorted colors(each colors x 5 pieces zippers),all the colors are bright and without duplicates can meet your need. Unique design : Coil zippers with plastic teeth for easy sewing projects. You can according to the color of the clothes with a suitable zipper. Meet your various needs for DIY. WIDE APPLICATION: Zippers can be used for costume designingmaking or fixing clothingsewing craftbags accessoriesboutique accessories or other handicraft. is committed to providing customers with quality products and caring services.We attach great importance to every production link, If you have any questions during the use of our products, please tell us by email. If you are not satisfied with our products, we promise 100% refund. Customers' satisfaction is our greatest pursuit