Warm Tips 1. Home Iron:Please Heat the iron on medium setting (302F 320F),Press each section of the design with medium/firm pressure for 10-15 seconds. 2. Heat PressPreheat garment for 2-3 seconds; Apply design at 305; Use medium pressure for 10-15 seconds. 3. Cold peel / Hot peel.Peeling the clear pet film after the vinyl turns cold, just in 15-30 seconds later for the vinyl to cool down. *Note *Make sure there are no wrinkles on the material. *If you are having trouble, try turning the shirt 90 degrees and pressing again, this should eliminate problems from cold spots. *If you've already ruined one shirt, keep using it to experiment. Cut small pieces of heat transfer and try raising or lowering your temperature, or pressing longer or for less time.