Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si [Simple and Practical]Glow-in-the-dark zipper heads are used to mark coats, jackets, backpacks, tent zippers, or other gear that could be dropped in the dark, and can prevent you from over your pack or rope in the dark. [Self-Luminous] When "" in sunlight or other light sources, they produce an intense light with a long that allows you to see where is all night long, making it easy to identify your items in the dark. [Package Includes]You will receive 20 glow-in-the-dark replacement zipper heads, enough for your daily use and replacement needs. [Wide application]These glow-in-the-dark zippers are perfect for outdoor camping, night work and night running, also can be used for cell phones, key rings, wallets and so on, not only practical, but also fashionable, can add unique charm to your backpacks, jackets and so on. [Washable Material]The glow-in-the-dark zipper head is made of plastic and nylon, durable, strong and , easy to use on clothes and bags, no need to remove it when washing. Material: plastic colour: As shown Package Contents: 20 x Zipper Pulls Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.