What materials are used in the construction of the gussets for this wallet?

The wallet features fully lined Tyvek gussets, which are made from a tear-resistant material that makes them virtually tear proof.

What is the maximum expansion capacity of the Smead Classic Expanding Partition Wallet?

The Smead Classic Expanding Partition Wallet can expand up to 5.25 inches for greater storage capacity.

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Smead Classic Expanding Partition Wallet with Tear Resistant Gusset/Elastic Cord - 5.25" Expansion - 6 Section - Legal Size -Redrope 72375

Timeless professional expanding wallets feature a classic printed redrope exterior.
Favorite of attorneys, accountants and bankers.
Flap with elastic cord closure for extra security.
Expands up to 5.25" for greater storage capacity.
Full height rollover top reinforced gussets with tear resistant material makes them virtually tear proof.