The car seat cover has inflatable cushions (4, 5) in the back rest and seat section. Vibration devices (6, 7) may be built into the seat to massage the back.

The backrest cover(1) on both sides(4,5) of the seat has slotted opening(8,9) covered by an overlap(6,7) or cover. Both openings are positioned by the same distance from, and symmetrically to, an imaginary centre line and have two approximately parallel ed...