Fellowes Bankers Box Letter/Legal Recycled R-Kive boxes, up to 800 lbs. Max stacking weight, 12-pack Pack Size: 12-pack. Strength Rating: Maximum Strength. Product Type: File Boxes. File Size: Letter/Legal. Inside Dimensions: 10" H x 12" W x 15" D. Max Stacking Weight (boxes): 800 lbs.. Recycled Content: 100% Recycled Content. FastFold assembly for set up in seconds. Glued double-end panel construction adds stacking strength. Construction: 3-ply end x 2-ply side x 2-ply bottom. Deep lift-off lid has "grip lock tabs" for higher security of contents