Med-Aire Bariatric Mattress SystemPremium Guard Static Air Mattress Overlay unique construction allows for efficient air flow throughout the mattress for use in the treatment and prevention of pressure ulcers Airflow holes in the mattress, reduce heat and fluid build up, ensuring that the affected areas remain well ventilated and dry for proper healing Adjustable bed straps prevent the mattress from moving and ensuring user safety and comfort COVER. MATTRESS, MODEL 14027, MED AIRE 1