Manufacturer: SMEAD MANUFACTURING CO.

"Ideal for storing large amounts of paperwork for a single subject. The sturdy sides and bottom expand to hold up to 3 1/2 of material and keep papers from falling out when the file is being transported. 5 1/2"-high gussets. Front panel is scored for easy access to contents. Coated rod tips glide smoothly in file drawers. 1/5 cut; slotted front and back inside panels for index tabs (not included). Blue, green, red and yellow."