... for easy observation of the patient's conditionDome with thumb rest and soft, shaped, airfilled cuff allows a tight fit to ... procedure SpecificationsMask dome and cushion are made of medical grade silicone.All sizes are delivered individually packed, non-sterile, in packs ... and automatic resuscitators and ventilators. Masks feature dome with thumb rest and a soft, shaped, air-filled cuff to allow a ...