1. This card sleeve is made of PU leather. 2. Structure: 1 card slot with keychain and lanyard, hollowed out window can reduce the obstacle between card and flash device. 3. Design bus cards, parking cards, time cards and various non-contact card. This small ferrule prevents wear of the card during prolonged use. It's small, it only has one single card on the sleeve, but you can easily put it in your wallet or bag.
