Great for managing bulky records, these sturdy file pockets feature an accordion design. Durable Tyvek reinforcement at the top of the gussets makes the sides of these pockets virtually tear-proof. Other features include 12-1/2 point redrope back with 11 point manila liner, rounded top corners, 6-1/2" high redrope gussets and double thick 9 point redrope front.