Genuine Leather Checkbook Cover For Men & Women Checkbook Holder Wallet RFID Blocking USA Series. Vintage Leather: Crafted from premium crazy horse leather, offering a rugged, timeworn finish with classic vintage appeal. RFID Blocking: Built-in RFID protection shields personal data from unauthorized scans Multi-Functional: Holds standard checkbooks and includes a plastic divider for carbon copies and interior slots for credit/debit cards or ID for added convenience.