Colored sandpaper is a kind of special fine water sand production, the surface texture is fine, but the strong friction force is conducive to the oil painting stick color adhere to the picture, you can use oil painting stick, crayon on sand paper painting, color, good effect! Features - Color: Mixed Color. - Material: Special Fine Water Sand. - Size: About 38x26x0.1cm. - Colored sandpaper is a kind of special fine water sand production, the surface texture is fine. - The strong friction force is conducive to the oil painting stick color adhere to the picture. - It is suitable for kids of all ages, can develop imagination. - You can use oil painting stick, crayon on sand paper painting, color, good effect! - Warm Tip: Dear buyer, due to lighting effect, monitor’s brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 10 x colored sandpaper