Features: Works on Almost All Surfaces: Acrylic paint pens have a strong coverage and can use on almost all surfaces, such as rock, wood, paper, metal, glass, ceramic, plastic, and even tire. Premium Quility Ink: These paint markers are made of highly water-based pigmented acrylic paint. They are permanent, resistant to water and fading. When writing, they flows easily, dry quickly and perform well on both light and dark surfaces. You can even mix the colors. Operation Precautions1. When there is no writing or intermittent, for swipe twice on the cotton pad or paper towel to remove the writing.lead out. 2. When creating a nail art style for a long for time or when you pause, you can also use a cotton pad or a paper towel twice to draw out the pen water when you use it again. 3. Don'for t shake the pen with force, the tip of the pen should not be long, exposed to the air for a long for time, and it should not be operated on the surface of the nail with floating glue. 4. The graffiti pen must be operated on a smooth nail surface without floating glue. After painting, it will be sealed after a while. the sealing layer can not be applied back and forth, and it will cause halo color. Specifications: Material: Plastic Color: Gold/Silver/White/Black Size:Approx.13cm/5.12inch Package Includes: 1 Piece Graffiti Pen note: Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.