ZlideON Multipack Normal Plastic & Metal Silver Zipper Repair is a quick repair of your jacket, backpack, shoes or bag literally in 30 seconds. It is designed for standard plastic and metal zippers in sizes XS, L, XL. Additional information on choosing the right slider can be found in the description below. ZlideON Multipack Normal Plastic & Metal Silver Zipper Repair has a simple and reliable design. It is made of zinc and steel, which guarantees its durability. The sliders are silver and designed for bright zippers.