Made Of Vinyl Material With RFID Blocking Sewn Into The Lining. Includes 4 Card Slots And 1 Cash Pocket. Place Your Credit Cards In Holder To Prevent Cyber Hackers From Stealing Your Identity. Prevents Data Transfer Between The Wallet And Reader At A Range Up To 6'. Works With Any Contactless Chip Card. Cards That Are Swiped Do Not Send RFID Signals And Will Not Be Protected By An RFID Blocker.