Product & Size: You will receive 1 roll of fusible interfacing, which measures about 0.29x30 m/11.4 in x 33 yd, large size for better processing and ironing fabrics. Simply trim it to the size you need. Premium Polyester: Single-sided interfacing can be easily fused with a hot iron. It is ideal for not only protecting and strengthening fabric stitching, but providing structure for collars and facings. Wide Application: The iron-on interfacing is ideal for light to medium weight fabrics, such as linen, broadcloth, chambray, challis, jersey, etc. Easy to Use: Our interfacing has glue on one side. The flat side is without glue and please use the side with glue particles to be the adhesive side. Please cover it with a cotton cloth and DO NOT heat directly on the interfacing. Instructions for Use: Our non-woven interfacing is medium-thick, so it should be slightly adjusted. Set the temperature at 145?/293?, pressure at 1.5 kg and time at 15 seconds. The effect of pressing can meet your demand. You can adjust them according to the thickness of the fabric. The test basis can be adjusted according to ours.