This 208 light iron on ultra soft interfacing is a very soft, lightweight interlining for small and front parts of items made of very light to medium weight fabric. Use with flowing fabrics such as silk. Iron on to fabric and press the iron on step-by-step for abut 8 seconds. Do not push. It is strongly recommend that you attach a small piece of interfacing to a fabric remnant with your iron first to make sure that the hold and the adhesion meet your expectations. Machine washable at 40 degrees. Dry cleanable.