+ID: One side is identical to our standard minimalist card wallet, the other side is a ID window pocket. It holds up to eight cards with room for a couple of folded $20 bills slid into the card slot. Along with the ID window, it has one inner pocket plus a card slot cut on the diagonal for ease of use. Works great on it's own and nests nicely inside the Dock's oversized pockets. 2.65" x 3.5"