From Lug website: If you hadn't noticed by now, we can't help ourselves when it comes to wallets. It's awesome how a little organization goes such a long way — especially with the Chipper Wristlet Wallet. The wrist loop is detachable, the stitching is on-point, and there's lots of space inside for cards, cash, whatever else. Dimensions: 3"W x 4.15"H x 0.75"D Weight: 0.1 lb Strap Width: 0.5" Exterior Features: Built-in wristlet strap Body/trim/lining 100% polyester Interior Features: Accordion fold out RFID: The whole wallet is protected