Vehicle seats and conveyance seats, namely, seating systems, comprised of vehicle seats, vehicle seat cushions, vehicle backrests, vehicle armrests, chairs in the nature of vehicle seats, seating in the nature of vehicle seats, supports and cushions, namely, vehicle seat cushions for the seats of land vehicles, vehicle seat cushions for posture, support and correction of posture for the sick, the disabled or others who need assistance, not for medical purposes