How to use: 1. Painted the paint in the hole of the pen, 1-2 drops each times. 2. Wipe the excess paint pen, draw the pattern you want to lay the background nails. 3. Can be used to draw the small pattern on your nail, just like flower,words or lace and so on. 4. After you painted the pattern you want, you should coat with a layer of bright oil on your nail. 5. Use the UV lamp to let it dry. 6. Wonderful nails show your unique style.