protective masks children's dust-proof, haze-proof, wind-proof and cold-proof masks

the laminating high-efficiency electrostatic filter cotton can ensure good sealing and air permeability, and the filtering efficiency is low for non oil particles and dust with more than 90%. no sew design at chin, no sew fit, more comfortable please be kindly noted, the listed product is produced and distributed abroad and subject to the laws of its country of origin;