●Mutiple Storage Spaces: This paper sorter stand has 4 open storage spaces, the shelves can be adjusted to get different compartments. Easily stores the documents, standard size paper, and other office supplies on the desk to save space. ●Sturdy and Stackable: The top of this storage wooden box is sturdy enough to place monitors, laptops, mini 3D printers, and fax machines. This cube storage box can be stacked as to be a bookcase. ●Ergonomic Design: Curved design of the shelves make you pick up the files, letters, and books easier. ●Quality Material: Smooth black matte finish surface with adjustable 12mm boards. The weight capacity for each shelf is 22lbs. ●Easy Assembly: It is easy to assemble and can be completed in 20 minutes, installation manual and all of the hardware are contained in the package.