Pendaflex Pressboard Expansion File Folders, Letter Size, Blue, Straight Cut, 25/BX (9200EE) Durable blue pressboard protects your busiest, bulkiest files Reinforced taped spines expand up to 1" to grow with your files Straight-cut tabs leave plenty of room for handwriting or labels Box of 25 letter-sized folders Paper made from 60% recycled fiber with 30% post-consumer fiber