Description
Expandable heavy-responsibility record with bolstered back and front panel liners, bolstered complete peak gussets and preprinted indexes.
Heavy-responsibility increasing information are just about indestructible.
Double thick back and front panels with heavy bolstered liner board for additonal sturdiness.
Tyvek? reinforcement on the best and backside for additonal power.
Gussets lengthen into back and front panels two times so far as same old information.