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.