Material: Plastic Color: Black Size: The length, width, and height of the assembly are approximately 10 * 7 * 9.5 cm, the length and width of the board are approximately 20 * 13.5 cm, error approximately 1 cm Package List: 1 * Sketching Tool [Optical Imaging Principle]: The image is not projected onto the paper. Through the lens, you can see the image being copied onto the drawing paper. The drawing board has two sides, a front and a back. The projection effect on both sides is different. Please use the front side. [Support for Mobile Phones and Tablets]: There are two mounting methods for brackets, easy to assemble and quick to install, suitable for most mobile phones and tablets. [Environmental Protection]: The lens sheet is made of high-quality plastic, with good toughness and not easy to break. No need to print pictures to save environmental protection and energy. [Ideal Positioning Tool]: With the positioning board kit, you can improve hand-eye coordination and basic drawing skills without harming your eyes. You can draw on paper, clothes, bags, etc. It is suitable for children, kids, students, adults, beginners, anime lovers, and amateur painters.