LIGHTWEIGHT SLIM DESIGN: Measures 5.5" W x 3.3" H x 0.78" D and weighs just 3 oz - great as a keychain wallet, slim wallet with key ring, or lightweight credit card case for women on the go. Features a built-in key ring lets you attach it to keys, lanyards, or bags for added convenience/ RFID BLOCKING CARD SLOTS: Features three RFID-protected card slots to help shield your credit cards, ID, and transit passes from electronic theft; perfect for use as a mini card holder wallet, RFID blocking wallet, or travel card holder for women. INTERIOR MESH ZIPPER POCKET: A compact mesh zip pocket offers secure storage for coins, folded bills, or small valuables; ideal for those seeking a small zipper wallet, compact RFID wallet, or slim wallet with extra organization.