【Wide Range of Applications】: Our paint markers work well on almost any solid surface, these markers have large tips, can create brilliant water-based acrylic paints, write smoothly, perfect for decorative painting, art creation and general DIY painting projects. Suitable for indoor and outdoor use.IDEAL GIFT: Our black acrylic colored pencils are beautifully packaged and of high quality, perfect for crafts, DIY projects, scrapbooking, gift cards and doodling. A wonderful gift for friends or family. We are sure you will like it.Easy to Use: Valve structure, excellent ink and gas control. With the cap closed, shake the marker well to mix the color. Then remove the pen cap, press the pen tip for a moment, you can see the ink flowing to the pen tip, then you can draw any pattern with your imagination and creativity.