Auto-lock bottom file storage boxes are used to keep documents clean and organized. features: 15″l x 12″w x 10″h wood grain r-kive file storage boxes heavy duty, triple end, double side, double bottom construction withstands frequent handling fastfold quick and easy box assembly use for either legal or letter size documents reinforced tear-resistant hand holes make boxes comfortable to carry deep locking lift-off lid stays in place for secure file storage the dimensions provided are the inside dimensions of the product sold in case quantities of 12 attractive brown woodgrain color