Heat and Transfer Place the transfer with the design on to your shirt and place a Teflon sheet/parchment paper on the top of your design. Home Iron: Heat the iron on medium setting (302°F– 320°F); Press each section of the design with medium/firm pressure for 10-15 seconds Wait until cool to carefully remove the transfer backing sheet. Replace the parchment paper over the design and press firmly for 5 seconds. Wash inside out and wait at least 24 hours after applying before washing no higher than 30 degrees Do not tumble dry garment or iron over the transfer directly.