THERM O WEB-Stitch n Sew Sew-In Interfacing. Tear-Away Stabilizers provide support and are easily removed by tearing away, up to the stitches, without distorting the embroidery. This package contains one 25 yard bolt of 20 inch wide white tear away non-woven medium weight sew-in interfacing. Made of 100% polyester. Made in USA.