.* Made of high quality materials, durable.* Premium Quality: The zippers are made of plastic and nylon, durable and strong, lightweight, easy to use on clothes and bags.* Glow-in-the-dark: Both sides of the zipper will glow, which means you can easily notice both sides facing up.* Easy to Find: easy to identify the bag in the dark. Green light in dark environment.* Wide Applications: Suitable for outdoor camping backpack, bags, backpack, travel packages, jackets, clothing, sportswear and tent zip-pers. Specifications:* Size: 78*16mm (as the picture) (Approx.) * Color: Luminous (as the picture shown)* Weight: About 3.2g/piece* Material: PlasticPackage Contents:1pc. Zip-per pullsNote:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.