Arrtx Acrylic Paint Markers 1. 32 Vibrant Colors: Comes with 32 bright, unique and pigmented colors that ignite your inner imagination and passion 2. High-Quality: Fine and Brush Dual Tips, our markers are lightfast, waterproof, dried-fast,leak-free and with high quality water-based ink, making it easy for you to create eye-catching vibrant art 3. Great Art Gift: These markers are odorless, non-toxic and easy to use, perfect art gift for kids, adults and beginners 4. Wild-Usage: They are for use on virtually any surface, allowing you to bring your creativity to life on rock, wood, glass, mental, ceramics, platics and more 5. Satisfaction Guaranteed: We prides ourselves on the high quality of our products, and customer satisfaction is very important to us, so contact us if you have any issues or are unhappy with the product and we will guarantee a resolution Use Guidance Step1: Shake up and down several times before use to mix the pigment evenly. Step2: Press down until the ink flows to the tip. Step3: Test on paper before applying to surface. Step4: Close tap tightly after use.