Heavy/Firm weight interlining for strengthening small areas of clothing, such as button backing strips, collars and cuffs and also for craftwork using fabrics. Suitable for use with lightweight fabrics such as cotton. Iron-on with moderate to hot iron, pressing firmly for 5-10 seconds. Using a damp cloth between the fabric and the iron will allow use of a higher temperature without damaging more delicate fabrics. Machine washable at 40? Centigrade. Dry cleanable.