expiredEasily add a wallet to your iPhone or Android w/ the $7 CardNinja via Amazon

Amazon offers the Cubi CardNinja Ultra-Slim Self Adhesive Wallet for smartphones in Black forĀ $6.95 Prime shipped. Originally $13, we typically see it sell for around $10. Today’s deal is among the lowest prices we’ve seen in this color. CardNinja is a low-cost way to convert your iPhone into a wallet. It can attach to the back of your device or a case. Nearly 2,000 Amazon customers have left a 4.2/5 star rating.