Before use, please check whether the packaging is in good condition, confirm the external packaging mark, production date, and validity period, and use it within the sterilization validity period; make sure that the mask covers the bridge of the nose to the jaw after unfolding to obtain the expected protective effect; disposable medical Surgical masks are not allowed to be reused; if the packaging of medical surgical masks is found to be damaged before use, it is prohibited to use them.
