Portafile File Storage Box, Letter, Plastic, 13 7/8 x 14 x 11 1/8, Granite, Sold as 1 Each Plastic letter-size hanging file box with recessed fold-down handle and self-locking lid. Lightweight plastic hanging file box provides carrying ease; self-locking lid keeps contents secure. Includes three Pendaflex? letter size hanging folders with tabs and blank inserts. Recessed handle folds down for storage.