... can be used as seat cushion, mattress, ice bag. Aiming at lowering the temperature of drivers, office people, w This product adopts ... it in the environment lower than 25 degrees, the ice seat cushion will restore to frozen state automatically.6. It is ... .Use scope:Ice seat cushion can be used as seat cushion, mattress, ice bag. Aiming at lowering the temperature of drivers, office people ...