A10 Bifold Pocket AdapterA10 Bifold Pocket Adapter The A10 Bifold Pocket allows your Adapt wallet to hold up to 9 extra cards. Made of either top grain leather or DTEX non leather material. The A10 Bifold Pocket also enables you to holster a pen and notebook for on the go easy access. Features: Holds up to 9 cards Pen pocket (pen sold separately) Available in both leather & DTEX material Adapter with polycarbonate sliding plate Exclusively compatible with A series wallets.