Globe-Weis Standard Letha-Tone File Wallet, 3.5-Inch Expansion, Elastic Cord Closure, Letter Size, Brown, Box of 10 Wallets (73353) Protective flap with elastic cord allows for secure transport of files Rip-proof Tyvek strip reinforced gussets with rollover reinforcement at the top 3.5-inch expansion holds 800 sheets - Letter size Sturdy, stylish Letha-Tone double-thick front and back covers Box of 10 wallets