This literature sorter snaps together in seconds with no tools required. It is made of a durable plastic which outlasts cardboard. It is sturdy enough to hold 500 sheets of letter sized paper in each compartment. Snaps together in seconds with room for a full ream of paper.Details:Black8.75" x 11.5" x 2" inner compartments20.5" x 13.6" x 8.7" overall size6 compartmentsCan hold up to 500 sheets of paperPlastic