Zipper Materials:The Zippers are Closed-end, open-top with a standard auto-lock.it made of spiral plastic elements, including polyester and nylon, thicker zippers cloth and good quality auto-lock metal zippers sliders
Colors:There are total 20 colors, and 3 sizes each size 20 colors in the packages,it will enough for your daily craft, Total 180pcs mix colors and mix sizes
Wide Application:These nylon zippers can be used for costume designing, pillow cases, also can be applied for fixing or sewing slacks, dresses, bags, pet clothes.