This aluminium cardprotector provides optimum protection for your six most important cards. They will be protected against both bending and breaking as well as unauthorised reading of your radio frequency identification (RFID) cards, such as your Oyster Card, ID card, the newest credit cards and most business access passes. Some cards have thicker lettering (embossing). You can store up to 6 cards in the cardprotector with one embossed one. Or up to five cards including three with embossing. The Secrid cardprotector has been awarded a Red Dot design award.