Confirmed in safety tests in cooperation with side airbags car seats these car seat covers are produced precisely According to certificated technology which guarantees safety usage on the seats with side air bags. They are made with a special sewing system (Special stitch). Explosion of the side air bag the stiduring explosion of the side air bag the stitch is ripped and it isn't delaying time of its opening. Whole time of side air bag's explosion is the same with or without car seat cover on the seat. Package contains 2 covers for front seats, 2 covers for headrests, 1 armrest cover, instruction, hooks.