Excellent system for active or permanent storage. Ideal to manage documents from 22 x 34 in. to 36 x 48 in. Corrugated cardboard has exceptional stacking strength with “trussed' interior. Modular design allows easy relocation in office or permanent storage, vertical use, or use in a vehicle. Labeled end flap allows identification and convenient access when stacked. Each file has 7 large and 2 smaller compartments. Large compartment stores up to a 4 in. roll and smaller compartment stores up to a 2.5 in. roll. Compartments can store a multiple of smaller rolls. 2 files per pack for a total of 18 compartments. Overall size is 6.5 x 29 x 39 in.