Designed to allow you to perform effective resuscitation while minimizing exposure to deadly pathogens. One-way valve allows you to avoid the potential hazards of mouth-to-mouth contact. Seals easily to adult, child and infant facial contours. Durable plastic construction and a transparent dome for checking lip color and secretions. Features an O2 inlet and an elastic strap to secure the mask and ensure a good seal while you deliver oxygen. Comes with a compact hard plastic case.