RFID Technique: Radio Frequency Identification technology, through radio signals to identify specific targets and to read and copy electronic data. Most Credit Cards, Debit Cards, ID Cards are set-in the RFID chip, the RFID reader can easily read the cards information within 10 feet(about 3m) without touching them. This case is designed to protect your cards information from stealing with blocking material of RFID shielding technology. Specifically for iPhone 7 Plus/ 8 Plus. Top quality. Made with Premium PU Leather. 100% Handmade. Large Capacity. Card slots and Note Holder provides you to put debit card, credit card, ID card, receipts or some change while on the go. Multiple Functions. Kickstand function is convenient for movie-watching or video-chatting. Easy access to all ports and controls. One-year quality support. If you have any quality issue with our case, please feel free to contact our customer service.