Slim navy wallet attachable to a smartphone. - Brand: KING JIM - Model Name: WALLECA No. 2780 - Type: Slim type - Color: Navy - Features: Small wallet attachable to a smartphone Thank you for viewing. Convenient to attach to the back of your smartphone. Useful for coins and cards. Even though it's become a cashless society, I've heard stories like, "The payment machine only accepted coins ( ; ; )". It's best to carry at least a little cash. This is perfect for those people!