Material: our patches are made of high quality polyester with flat stitches and dense stitching. Use: preheat the iron and set the iron to "COTTON" (100-150 degrees) temperature. Place the patch in the desired position and place a piece of white gauze or cotton on top to prevent staining. Press the iron gently downward for 10-20 seconds, then iron from the back side for another 10-21 seconds until the patch fits the garment perfectly. You can also sew with a needle and thread, which be more secure. Wide range of applications: if your hat is solid color, then this embroidery add beauty to your hat! Our patch be your , it can be matched with any clothes, hats, backpacks and so on. Suitable for crowd: a sport for all and a patch for all.