The protective flap and elastic cord closure makes these wallets ideal for use as a portable file cabinet when you need to safely transport active files that have been removed from the general filing system. Extra-wide to allow letter or legal size top-tab file folders to fit neatly inside without bulging out the side gussets. Tyvek gussets offer 5-1/4" expansion to hold bulky records. Ideal for use as a complete client file. Tyvek