Gutermann Strong Sewing Thread in Mara 30,-3280 yards polyester ,Color white #111,Top Stitch , Buttonhole , Carpet Mara 30. *Gutermann Strong Sewing top stitch Thread ,polyester ,Top Stitch Mara 30. * Polyester Sewing thread Thread, Mara 30 3000m *Lightweight - 3280 Yards , 3000 m, Size Tex 100 * Color 111 white thread * Topstitching, invisible seams, Decorative buttonholes and Seams , leather and Upholstery