Instruction 1. Preheat iron to cotton setting(no steam)2. Cut letters or pattern out and place them backing-side up on your fabric3. Using a flat, hard surface, press firmly with iron for 25-30 seconds(Avoid steam holes),making sure to iron the corners and edges of letter4. Turn inside-out and iron with firm pressure for 15-20 seconds.5. Allow letter to cool for 30-40 seconds.Then tear off the paper(film)dry clean or handwash/air dry