General description These 10 Pack Paint Pens are 15 mm white empty acrylic permanent markers that are clear and refillable. They are designed to meet all your painting needs with their versatile and high-quality construction. Technical specifications Quantity: 10 markers Size: 15 mm Material: Plastic Measurement allowed error: +/- 1-3 cm Usage Markers can be filled with various types of ink materials such as artistic acrylic, oil, watercolor, dye, and ink. You can customize the colors by filling the empty reusable markers with any color you prefer. Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.