Easy to use: these letters patches can be pressed directly onto the clothes you want to decorate. If you want to keep them from falling off, you'd better sew them up. Wide Range of Use: iron on letters patches can be used for repairing holes, or decorate jackets, jeans, hats, socks, shoes, schoolbags, children's clothing, also can be applied to other crafts. Material: 100% fully embroidered, high quality embroidered cotton material, hot melt adhesive on the back, easily iron on or sew on. Size: each number measures about 1.7 inch (height) and 1.0 inch (width). What You Get: 40pcs iron on patches, including 0-9 applique patch.