Manage multiple projects within a single portable file box. Sturdy poly file box holds up to 3" of files or materials and can be used again and again. The poly file box is a handy desktop filing system for either file folders or hanging file folders. Use in your drawer, on your desk or on-the-go. Flexible polypropylene construction is great for briefcases and bags. Hanging file hook sets easily on the top edges for easy access.