Durable material: the coil zipper is made of nylon material, with thick zipper cloth and high-quality metal zipper head, which is easy to close and open. Uniform size and color zipper suit: 30 cm long, easy to sew. 20 different colors (each color x 5 zippers), all of which are bright and have no repetition, which can meet your needs. Unique design: coil zipper with plastic teeth, convenient for sewing. You can choose the appropriate zipper according to the color of the clothes. Meet your DIY needs. Widely used: zippers can be used for clothing design, production or fixing, sewing technology, bag accessories, accessories or other handmade products. committed to providing quality products and service. size: 30cm Material: nylon colour: As shown Package Contents: 100 x zipper Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.