Pendaflex Premium Reinforced File Pockets, Letter Size, Brown, 3.5" Expansion, 10/BX (85343) Premium expanding pockets are built to outlast standard file pockets 5 Points of Tyvek reinforcements prevent tearing, fraying, and bursting, even when overstuffed 3.5" Expansion holds up to 700 sheets Moisture-resistant Redrope body Box of 10 letter-sized reinforced file pockets Advanced cross bounded rip-proof gusset design Reinforced at top, bottom and corners to eliminate tearing and bursting Laminated reinforced top Red fibre material coated to resist water Full Lifetime Guarantee