PELLON: Shape Flex Stabilizer. This iron-on woven cotton interfacing is ideal for use with light to medium woven and knit fabrics. It provides crisp support and is great for collars; cuffs; pockets; and other detail areas of garments. It adds body and permanent stability when used as a backing and features both lengthwise and crosswise grain for stability in both directions. Finished items can be machine washed and dried or dry cleaned. This package contains 2 yards of 15-inch-wide stabilizer. 100% cotton. Acid free. Made in USA.