Dallas Cowboys Cloth face mask Helmet style. declaration of conformity as prescribed for garments. However, many businesses suggest that authorities need documents to guide the production process, how cloth masks are useful in preventing the spread of disease caused by nCoV.
For example, how many layers of masks, can you use cloth with thickness - how thin, what material? Are there any mechanical or chemical standards? ... Many businesses say that if there are standards, they are ready to meet the requirements, production and supply of large quantities of cloth masks to the community. Because if enterprises produce cloth masks in large quantities to the market but are not suitable or not guaranteed to prevent and fight against diseases (nCoV), they will not be consumed, causing great waste and affecting the environment.
