Type: #5 separating nylon coil zippers with silver metal pulls Length: the teeth length is about 50CM(20inch), the overall length is about 55CM. 5 types of sizes can be selected（40cm/50cm/60cm/70cm/80cm) Quantity: 13pcs/pack, in 13 different colors(Yellow Navy dark grey pink blue black Khaki light grey wine red off- white rose red white red) Material: nylon coil teeth, metal pulls(zinc alloy, non rusting), thickening polyester tape Using : the zippers are used for sewing, Coat, jacket, down jacket, sportswear, schoolbag, backpack , bags, handbags, crafts, etc 13 stylish colors can provide multiple choices for you to do color matching, it will add fashionable elements to your crafts to make them look more lovely and unique