Product Description Is the blue disposable mask good? Unhygienic? What about used lead-resistant disposable masks? Answer: Fog and haze defense measures: 1. Open windows less in fog and haze. You must wear a mask when you go out, drink more water, and drink more Chinese herbal teas such as Juqi tea to prevent diseases, eat more fruits, and deep clean the skin and hair after returning home. In addition, I like morning exercises and buying vegetables. Elderly people should pay attention to reduce going out, because smog is extremely harmful to the elderly Changsha KANGBOJIA Medical Supplies Co.,LTD focuses on the production of medical protective equipment. Perfect advanced automated production equipment, Such as disposable Face Masks, KN95 Face Masks, KN95, N95, Medical Masks, medical face mask, Surgical Masks, FFP3, FFP2 Masks, Safety Masks, Filter mask, As well as protective clothing. Face Mask Type:Hospital face mas…