Polymatic pre-wound bobbins are made from Polymatic sewing thread by Coats North America. Polymatic is a 100% polyester thread that encompasses sewability, strength, reliability of performance and cost effectiveness. All Polymatic bobbins are UV and mildew resistant and have the added protection of a NANO® finish to extend the life of the thread. Polymatic bobbins and threads are perfect for all marine applications. Polymatic threads and bobbins are made from the same selected high tenacity, heat resistant continuous multifilament yarns encapsulated to form a monocord thread. Polymatic Bobbins are available in both style “G” and style “M” pre-wound bobbins.