The Ruby Wallet on a String in Black by Kooba.
The Ruby is sleek and ultra compact. Use it as a wallet and toss it in your bag, then add the strap when you're ready to move effortlessly! Featuring card slots, and plenty of storage. You'll wonder how you ever lived without it.
Size: 9"L x 4.5"H x 1.5"W, 22" long strap.
Materials: Cobra/Smooth grain combo leather, bronze hardware. Details: Wallet with detachable crossbody strap and magnetic closure, interior zipper pocket, card slots, and slide pocket.