Nylon Zipper with Auto-lock Slider, Difference Sizes and Colors are Available FOB Port:China (Mainland) Payment Terms:L/C or T/T Open end and close end With Auto-lock slider Size: $3, #5 and #8 Danking Enterprise has been a leading supplier of sewing notions and garment accessories since we were founded in 1987. Our buyers keep coming back to us because they appreciate the high QC standards that back up our well-designed products.