Quality -- made of genuine oil wax cowhide leather, durable and glossy. Sturdy silver-like heavy duty zipper to hold the structure tightly and securely. Hand made stitching along the edges makes the cover firm as long as it should be. Structure -- zip around closure. 17 cards slots, 2 bill pockets, 1 ID window slot, 1 inner zipper pocket, 1 pen slot and 1 removable wristlet. It is a good life helper that can organize well iPhone, cables, ear bugs, bills, credit cards, keys, coins. etc. Measurement -- (L)8.2 x (W)4.7 x (H)0.79 inches / (L)21x (W)12 x (H)2 cm. Weight is 0.55 pounds / 0.25kg. The length of wristlet is 7.48 inches / 19cm. The interior pocket is roomy and can hold up your iPhone Plus! RFID Function -- our wallets are equipped with advanced RFID SECURE Technology, a unique built-in metal composite, engineered specifically to block 13.56 MHz or higher RFID signals and protect your valuable information stored in RFID chips from unauthorized scanning. Warranty -- BOSTANTEN offers a 100% satisfaction online shopping experience to our customers. If you are not satisfied with our product or service for any reason, please feel free to contact us. We will either refund your money or redeliver a new product.