Good morning ramen cat iron on patch. This is an iron on patch you can easily apply to customize your clothing! The patch measures about 3 inches wide. Iron on patches instructions: 1) Ensure garment does not have wrinkles 2) Iron desired area for 10 seconds 3) Place patch on heated area 4) Cover patch with a cloth and iron firmly for 30 seconds 5) Turn garment inside out and iron firmly for 30 seconds 6) Remove cloth and let patch set, if patch is loose repeat steps 4 & 5 or sew onto garment. Wait 48 hours before washing in cold water and let air dry.