... smooth running. 6.Samples are free,freight on your charge. 7.OEM or Customer's design are welcome. 8.Shipping quickly ... best service and perfect after-sale service 1) Zipper type: Metal zipper,Nylon zipper,Plastic zipper, Zipper slider,Zipper puller,Buckle,etc2) Teeth type: Y teeth ... slider,Auto-lock, YG slider,Europe slider,Train slider,etc7) Zipper color: Brass,Anti-brass,Silver,Gold,White gold, Dark ...