The optech media keeper is a felt lined pouch made from top grade leather that opens like a wallet it features two pockets that nicely fit a cf card or an sd card in a jewel case the hook fastener secures the contents and offers quick easy access the media keeper can also be threaded through the quick disconnect qd on your optech usa camera strap as an added safeguard holds and protects cf cards or sd cards in jewel cases unique design fastens conveniently around a camera strap or a