How does the CardNinja work?

Simple...just peel and stick​

 Eggplant Cardninja by cubi front cubi yellow arrow
CardNinja eggplant peel
cubi yellow arrow
Eggplant CardNinja on iPhone 6  


1. Clean the back of your smartphone (iPhone®, Android®, Windows® or Blackberry®. Almost any one will do.

2. Peel off the backing of the CardNinja. 

3. Stick the CardNinja onto the back of your phone or phone case. Just like a sticker.

4. Insert whatever credit cards, debit cards, licenses, IDs, or cash that you need. 

5. Boom. You're done.




Flip it over.

Nothing falls out.

 Holds securely, even upside down

 cardninja helps find your wallet                                                 

Lose your phone & CardNinja?




Have more questions?


Pick a collection below to get started

CardNinja Colors
CardNinja Style Collection
CardNinja Realtree