Billfolds are flat folding cases for carrying cash, credit cards, and identification cards. Billfolds or Wallets are usually made of leather or leather-like materials.
About Trifold:
A Trifold is a folding case or Wallet composed of three panels which are used for carrying personal items such as credit cards, cash and identification documents. These folds or panels usually feature an inner face with compartments. When the folds are away from each other, the Trifold can be opened on the upper edge to allow the placement of paper money or small documents.
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