Use Pro Series Thread Conditioner Wax to prevent hand sewing thread, machine sewing thread and other crafting thread and cords from breaking, tangling and knotting. Includes five pieces, each in an individual plastic container. The design of the container makes it easy to coat thread without making a mess. Made of 100% beeswax. Instructions: 1) Align thread over slot in holder. 2) Hold thread tightly with thumb while pulling through slot to coat.