Package Includes: You will receive 4 pieces of documents holders in 4 colors the size is 52mm wide 180mm long 40mm thick fold: 95x52x57mm does not take up too much desktop space easy to carry and store it is a portable assistant for home office school study and out of the creative work Reliable Materials: Selection of high-quality plastic and iron materials to ensure that the product is sturdy and durable the surface has been finely polished comfortable feel while having good scratch performance long-term use is still as good as new Dual-Head Clamping: The innovative design of dual-head clamping can securely hold documents canvases books and other items made of different materials and it is not easy to slip off even after a long time of use providing a solid guarantee for creative work Multi-angle Adjustment: Support 360-degree all-round rotation and adjustment according to personal habits or work requirements free to adjust the clamping angle whether it is vertical reading horizontal painting or tilting typing you can find the most comfortable viewing angle Wide Range of Application: Designed for computer monitors while compatible with various sizes of tablets drawing boards books etc. whether it is A4 paper sketchbooks or small canvases can be easily clamped to meet the needs of use in different scenarios