Abstract: A thread storage apparatus is disclosed. The apparatus includes a plurality of storage cards having holes along one edge for receiving loops of thread, and holes along the opposite edge for holding the cards in an expandable binder. The loops of yarn extend into a pocket to secure the free ends of the loops of thread, and the pocket is foldable over the back panel of the binder. Top and bottom end flaps may be provided to close the ends of the binder, and a front panel is provided as a front closure. An index card may be provided to assist in locating threads, and a use card may be provided for separating thread required for one project.