Hemline says:  ''Heavy/firm interlining for providing structure to small areas of garments such as cuffs, collars and belts and 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 degrees Centigrade. Dry cleanable..''
Sold by the metre - multiples will be sent in one large piece