Smead Tyvek Gusset Expanding Wallet, 5 1/4" Expansion, Letter Size, 9 1/2" x 11 3/4", 30% Recycled, Redrope Sold as 1 EA. Gussets are fully lined with tear-resistant Tyvek for extra strength. Rollover reinforcement at the top for durability. Protective flap with elastic closure for extra security. Sturdy, double-thick front and back panels.