This Beautiful Miami Dolphins Retro/Vintage Patch is a one of a kind! 4″x 3 1/2″ Beautiful! Very high quality!! Instructions For Iron On: Place patch onto anywhere of cloth directly. Cover a thin cloth on patch,and then iron on.Avoid using Iron directly on patch to protect the patch under high temperature. Keep pressing the iron around 40-60 seconds and temp.Approx 120-150(Depends on the thickness of cloth). Move out iron,wait for cool down completely. If adherece is not perfectly,please repeat action 3)&4).