... plastic, single or double noseLayer: 1ply, 2 ply, 3ply, 4plyMaterial: PPSB 25gsm, Melt blown ... cover is water resistant.Tie-on type: 3-ply polypropylene cloth, low breathing resistance and ... nonwoven face mask, dust mask, paper mask, nonwoven bouffant cap, nonwoven clip cap, nonwoven doctor cap,2> nonwoven surgical gown, nonwoven isolation gown, nonwoven lab coat, nonwoven apron, coverall, PE apron.3 ...