The extra heavy weight board used for this shelf lateral file is tough enough to store even the heaviest documents! Say goodbye to torn files and folders | Avery Shelf Lateral Files and the Avery colour coding system can help you find files at your fingertips | Manufactured from extra heavy weight board with a reinforced side tab on which you can apply colour code and file title labels | Use on an existing shelf unit, cabinet or mobile shelving unit | Use with Avery colour coding labels or file title labels | Alternatively, customise the file label with Avery FilePro software and auto filing label