non-woven mask for children, 3ply , size could be 12.5cm*8.5cm and 14.5cm*9.5cm, BFE 95% or 99% at buyer's option we can supply non-woven mask for children, 3ply , size could be 12.5cm*8.5cm and 14.5cm*9.5cm, BFE 95% or 99% at buyer's option non-woven mask for children