CardNinja

$14.95 $19.95

Just add CardNinja®.

  • Combine your wallet and Android®, iPhone® or Blackberry®.
  • Holds credit/debit cards, drivers license, student ID, some cash, and more.
  • It's secure. Items won't fall out (even if you flip it over.)
  • Perfect for men, women, and even kids. 
  • Great for the gym, shopping, bars, and everyday use.

Features

  • Attaches easily, just like a sticker.
  • Removable.
  • Extremely slim.
  • Holds your valuables securely.
  • Flexible enough to hold one card or up to 8! Cash too!
  • No more need for a bulky wallet or purse.
Reviews for CardNinja
5 out of 5, based on 41 reviews
Lou Hobgood from Georgia on Oct 30, 2014
Love my card ninja. I use it constantly and it's holding up great. I even changed phone cases and it's sticking on well on the second one. I don't stuff it but the elastic holds my credit cards securely. The only time things fall out is when I drop my phone hard, but that's to be expected. People always ask me where they can get one. 5 stars.
Lou Hobgood from Georgia on Oct 30, 2014
Love my card ninja. I use it constantly and it's holding up great. I even changed phone cases and it's sticking on well on the second one. I don't stuff it but the elastic holds my credit cards securely. The only time things fall out is when I drop my phone hard, but that's to be expected. People always ask me where they can get one. 5 stars.
Lucy from Chicago on Oct 15, 2014
Easy to use, works perfectly. I take it to lunch with my building pass, credit card and 10 or 20 dollars. Perfect for me.
Charles L. from UK on Aug 11, 2014
This is perfect for going to the gym. Carries my gym card, license and credit card. Sometimes I stick my earbuds in as well. I've stopped carrying a gym bag. Love it.
Diane Sisko from Mpls on Apr 08, 2014
I've used this product for about 10 months now and LOVE IT! I rarely carry a purse any more and find it easy to just pick up my phone and go. I take pictures on my phone of non-important cards such as a museum card or store membership card and keep a credit card and driver's license in the ninja. Great product!
Alisa from NYC on Mar 07, 2014
I've used my card ninja for 15 months now and it is still going strong. I'm buying a second one to use with my new iphone. This is the most useful $20 I've spent in a long time - I use it innumerable times a day and it works exactly as described. I'm still amazed how well it holds the cards... they simply don't fall out accidentally.
R from Tokyo on Jan 30, 2014
Excellent design and build quality. Since the iPhone doesn't support "osaifu keitai" (an local IC/NFC standard), I bought this to fit my PASMO commuter pass / money card.

Strangely, the readers at the train stations and convenience stores couldn't pick up the IC chip if it was alone in the CardNinja, so I decided to stick my plastic gym membership card behind it and voila, now reads perfectly. Don't know why this is, but all I care about is that it works.

To the CardNinja team-- you guys should definitely look into marketing your product more out here. There aren't many solutions out here to this problem-- and the ones that exist leave much to be desired. I've seen a couple J-blogs feature your product, but I haven't seen it on sale anywhere, even at speciality stores. I think it'd be a hit, especially if you offered it in more colors!!!
Dan katz from Israel on Jan 28, 2014
Already wrote a review but I wanted to Add that if you have a Nexus 4 or a similar Device in size I guess, I recommend putting the wallet upside down.
That way it won't block the speaker /camera flash.
Stuff really not falling out.
Dan katz from Israel on Jan 28, 2014
Ok. This is black magic on my nexus 4.
I read the reviews and I thought ok, it must be exaggerated, I will be able to insert a card or two but that still good for me.

I'm carrying 4 cards in it, some cash and my house key (yes! A key on the back of my phone!) and still have room for more cards or whatever.

This is black magic on my nexus 4.

Obviously it does add some bulk to the slim phone but I like the back feeling of the CardNinja, feel good in the hand.
I still have to carry my ID in my pocket but that's hell better than a bulky wallet.

I recommend it, even if you think it's not for you it might surprise you.
Tim Jackson from Wellington - New Zealand on Jan 20, 2014
Fantastic product - works really well, shipped quickly - I would recommend!!
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