TYPE – #3 double slider closed bottom zippers, not separating zippers LENGTH – the teeth length is 30 inch, the overall length is about 31 inch QUANTITY – 2pcs/pack, Black color MATERIAL – nylon coil teeth and metal pulls, polyester tape USING – the zippers are used for Purses, Bags, Handbags, Totes, Pillowcases, Bed Sack MebuZip 2PCS 30 Inch #3 Double Slider Zippers Head to Head Closed End Black Nylon Coil Zippers for Sewing, Purses, Bags, Handbags, Totes, Pillowcases, Bed Sacks (30" 2pcs)