Abundant Quantity: You will receive 15 pieces empty paint markers and 15 pieces refill tips, enough for your daily use and replacement needs. Multipurpose: Refillable acrylic paint pens an empty center for you to fill in any color you want, or mix different colors to make your painting more colorful; Be careful not to fill with very thick liquid materials, which may cause the tip to flow unevenly or irregularly. : The paint tube of the empty paint pen is made of high-quality plastic material, fine workmanship, firm and firm, not easy to break or deform. Easy to Use: Refillable empty refill markers are easy to fill with color, just pull out the tip area, put the steel ball into the bucket, fill with paint or ink, and screw the tip back on to start writing; The process is simple and convenient, does not take too much time and energy Wide applicability: The refillable pens have a wide range of applications, you can fill with colored inks or mix your favorite colors and start your project