RFID blocking theft protection, built-in magnetic blocking function, blocks radio waves from scanning devices to prevent information theft. 　　　Due to the limitations of magnetic blocking, when you close to strong magnetic objects such as magnets, the magnetic stripe may be damaged. The images used when holding 20 cards + 10 passbooks are as shown in the picture on the left. High-quality zipper, smooth opening and closing. Product material uses high-quality cowhide leather for excellent durability.