This is passport holder made of 100% top- layer crossgrain leather which is high quality and durable. It contains 1 passport slot and 1 boarding pass slot which is a classical and minimalist design. It's RFID blocking function will help you avoid those unauthorized scanning, keep your information save during your travelling. The passport cover is very slim, the thickness is the same as the thickness as 2 credit cards', which will be very easy carry and save space of your bags. You can put it into your shirt pocket or jean pocket.