4 packages each are 20 x 36 inches Non-Woven Fusible Interfacing Commonly used for waistbands, button holes, plackets, collars, zippers and cuffs Machine Washable/Dryable 100% Polyester HeatnBond Medium Weight Non-Woven Fusible Interfacing is an extremely versatile product that you always want to keep on hand. It coordinates nicely with all types of fabrics and is commonly used for waistbands, button holes, plackets, collars, zippers and cuffs. HeatnBond Medium Weight Non-Woven Fusible is especially popular among quilters whose designs encompass a range of fabrics. With our HeatnBond Medium Weight Non-Woven Fusible interfacing you can rest assured there will be minimal shrinkage. Additionally, there is no grain line which means you can cut and apply it in any direction. HeatnBond Fusible Interfacing products have an adhesive application on one side which allows you to iron it directly onto the fabric, eliminating the need for basting and pinning. HeatnBond Fusible Interfacing makes constructing a garment or any other project so much easier because it provides stability and support that will eliminate the frustration of shifting materials