18 inches x 2 yard roll
This is a paper backed Thermal Heat Seal backing. It acts like a heat activated glue that can be heat or iron pressed onto a fabric. Then the paper is pulled off. This leaves the product stiffer and if reheated can be pressed onto a garment.
For a professional patch, use this product.
300 degrees for 10 seconds at medium pressure. Your setting may vary depending on fabric and pressure.