STERILITE Portable File Box Go to amazon.com Related posts Thing need consider when find file holder box? FeaturePortable boxFits regular size filesPortable file box 18719004 18719004, folder sturdy storageHeavy duty buckle latchDesigned for letter sized hanging file folders DescriptionBox portable carrying handle for transport handle folds flush when not in use designed for letter sized hanging file folders heavy duty buckle latch.