You can store all of your most essential items in this easy-to-access passport holder neck pouch, and it uses the latest high-tech RFID shielding material lining to defend you against the threat of digital thieves. Adjustable Strap: Neck strap can adjust its length and you will have many different ways to wear it. Even children can also wear it. RFID-Blocking Tech: The RFID blocking layer prevents digital pickpockets from stealing your identity or putting unauthorized charges on your credit cards. The main material of this travel neck pouch is strong ripstop nylon. Double stitched reinforced seams prevent rips and tears, and designed to stand the test of time. Neck passport holder is waterproof and quick dry, resisting wet, mildew, and shrinking. The strong zinc alloy zipper and safety buc.