Made entirely of recycled plastic. Letter size documents or literature can be stored in one of the 12 9" x 12" x 2" compartments. Each compartment features a convenient label holder to easily identify its contents. Holds over 60 lbs. Simple assembly requires no tools. Organizers can be stacked up to 72 compartments high. Literature Sorter Type: Stackable; Number of Compartments: 12; Compartment Size: 9.75 x 12 x 2.1; Material(s): Plastic.