Check the listing for details. 8Set Zipper Latch Slider Retainer Kits, #8 Zipper Bottom Stoppers, Silver. Condition: New. Listed at 10.55 USD. Description:Material - The zipper retainer is made of zinc alloy, which is wear-resistant, non-fading, high-strength, and durable. It adopts electroplating technology, with metallic luster and a beautiful appearance.Advantage - After the zipper is tightened, the zipper bottom stopper can firmly lock the lower end of the zipper, so that the zipper head can move within the effective range of the zipper, preventing the zipper head from falling off when it is pulled down, ensuring smooth use.Easy to Install - The installation of the zipper holder is very simple. You need to stick the replacement zipper retainer and the zipper insert pin to the lower starting point of the zipper, and then fix the zipper pin and zipper holder with pliers.