CPR Face mask, patented one-way valve and directional diaphragm, allows no backflow of air or contaminants from patient to rescuer. Clear plastic, designed to fit adult or child. Soft inflated cuff. Mask not affected by extreme temperatures. Standard 22 mm. fittings can be used with bag and mask resuscitator. Flexible dome folds into pocket-size mask. Compact carrying case, with instructions.