Use ProSeries Thread Conditioner Wax to prevent hand sewing thread, machine sewing thread, and other crafting thread and cords from breaking, tangling, and knotting. Includes 5 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