+Specifications Innovative magic flap feature for bills (see video above) Extra slim format, reduced to the essentials 8 card slots: Room for at least 8 cards - if used with 2 cards in each card slot, room for a maximum of 16 cards RFID protection integrated Dimensions (L x W x H): 10.3 cm x 8.2 cm x 0.8 cm Customize: add your name or initials (please be aware that our customized wallets cannot be returned except for quality issues.) +10 year warranty Since we believe that our exceptional high production standards result in a superior quality level, we offer a 10-year warranty on this product. If your product is not usable anymore within this time period due to quality issues, we are happy to provide you with a new one.