Polyester. Holds your access card and military ID securely. One zippered mesh pocket. Internal pockets that can hold passport, credit cards or any other important contents. Adjustable neck cord. Hook and loop closures. Handy pen holder. Clear vinyl window. Military GI government issued style. ACU Digital Camouflage color wallet. The wallet is useful for storing bills, credit cards, business cards, etc. Great to use as an iPod Case.