Ergonomic and relaxing front seat cover. Equipped with 90 padded hemispheres that produce a continuous massage to the back and legs and help prevent pain and muscle stiffness: of the 90 spheres described above, 8 are magnetic and serve to stimulate blood circulation and eliminate the sensations of aching and recurrent fatigue in the long distances. Compatible with any seat in cars, vans, off-road vehicles and trucks. Also ideal for home and office. Warnings: contraindicated product for wearers of cardiac stimulators. Black colour.