Quilters clapper square is suitable for quilters and is easy and comfortable to use.Perfect for creating crisp, flat pressed seams and creases and makes pleating a breeze.A perfect tool for dressmaking, sewing and quilting.Size 23cm x 23cm.Apply the clapper immediately after steam ironing and press down firmly for 10-15 seconds. The clapper will then absorb the steam and set your crease or seam. This versatile item can be used with both steam and dry irons.Do not wash.