Atfter being Inflated soft and comfortable Airway cycle ,Airway circulation Prevent bedsores Air mattress with excreta hole with fluctuation for preventingbedsoreMain Futures:1, Little tubular air cushion applied above the excreta hole, whichcan disperse the pressure of the hips. 2,The little air cushion can be push and pull easily, making theoperatoion more convenent3,The single side heat ...