Made of MDF and PU leather. Sturdy structure, moisture-proof and durable.If you find any questions , please sign for it carefully, and contact us at the same time, we will provide you with free return and exchange services. 2-layer office letter holder file cabinet organizerdesign, which can be disassembled and assembled, and has a large space. Each layer can hold up to 480 pages of A4 paper, keeping the desktop tidy and saving a lot of space.