The CardNinja wallet designs cleverly intergrade your smartphone and your pocketbook into one device. Thanks to the CardNinja's adhesive backing you can stick this slim cardholder onto any smartphone to keep your monetary cards with you wherever you go.
When you only need to cary a card or two with you the CardNinja is your ideal way to keep your cards directly on your smartphone. The CardNinja is an adhesive durable sticker that comes with an embedded pocket. Smartphone users can stick the CardNinja directly onto the back of their mobile device and slot their most used cards into the wallet. This way as long as you have your smartphone with you you'll also have all your wallet essentials.