Feature: 1. Light at Night: You can paint the powder on the dials, exposed to light during the day, electrons jump to high energy levels and absorb energy. At night, electrons jump from high to low energy levels, giving off light. 2. Vibrant Colors: You can use a small amount of our delicate watch luminous powder tool to get vibrant colors that give your own unique watch a glow. 3. Full Range Of Accessories: Our watch luminous powder set comes with a full range of accessories for easy portability. It is suitable for watchmakers and repairers to use, practical tools. 4. Suitable For: Our watch fluorescent powder kit is bright in color and good in luminous effect, which can be used for color graffiti, artistic creation, DIY advertising graphics and night protection warning. 5. Portable: Our watch repair fluorescent powder is very portable, whether you are at home or traveling, it is so convenient for you to use the fluorescent powder. Specification: Item Type: Watch fluorescent powder Material: Liquid, powder . Package List: 4 x Watch Fluorescent Powder 5 x Mixing Liquids1 x Needle 1 x Mixing Box