is to buy his mask, steady health mask products are certified by the state, I commonly used care mask is to use cotton spunlace nonwoven for skin contact layer, cotton spunlace nonwoven directly using the original production of cotton, the maximum to maintain the length of the cotton fibers and toughness of the cotton is not damaged, and fully enhance the softness of cotton, so the mask is soft and skin-friendly to wear, moisture absorption and breathability, so the mask is soft and breathable. So the mask is soft and skin-friendly, moisture-absorbent and breathable.