C-Line Biodegradable 7-Pocket Expanding File, Letter Size, 1 Expanding File, Color May Vary (48300) Made from acid-free, archival quality polypropylene which contains an additional additive that allows product to biodegrade Get Organized -Great for school, home or office use Assorted colors include blue, aqua, purple, pink, smoke Letter size - Flap front closure for easy access Features 7 pockets and 6 tabs for easy organization