The CPR Mask Kit is a reusable, easy-to-clean, pocket sized CPR mouth barrier with a transparent dome that completely seals to the faces of infants, children, and adults. The CPR Mask Kit helps protect rescuers in an emergency situation. Features a replaceable one-way valve with biological filter in one housing. Fully assembled, ready to use, and Made from 100% latex free material. A convenient, safe, and effective way to administer CPR. Adjustable elastic tape for fixing the mask comfily Replaceable one-way valve gives effective ventilation and outstanding protection Connection for the oxygen supply tube The mask can be stored in a rigid light polypropylene case, complete with a snap closure, different color available Soft inflated cushion improves the fit and patient comfort Transparent dome allows rescuer to check the lip color and vomitus of patients visually