High quality: made of genuine grained leather, soft and durable. The heavy-duty, high-performance silver zipper works smoothly and secures the inside of your wallet. Carefully hand-stitched along the edges makes the wallet sturdy for long-term use. Practical structure: 17 card slots, 1 ID pocket, 3 bill compartments, 1 interior zip pocket, 1 pen slot and 1 removable wrist strap. The wallet is large enough to hold your credit cards, cash, iPhone, USB stick, keys and coins, headphones, etc. Dimensions (L x W x H): 21.6 x 11.7 x 2.5 cm. Strap length: 24 cm. Comfortable to carry in the hand or around the wrist. The interior compartment is large enough to fit your iPhone Plus. RFID Blocking Function: The leather wallets are equipped with advanced RFID SECURE technology, a unique metal composite material specially designed to block RFID signals at 13.56 MHz or higher and protect your private digital information stored in RFID chips against theft and fraud.