Description:Item Disposable Medical Mouth Face Mask Material2 ply face mask: PP+PP3 ply face mask: PP+filter paper+PP4 ply face mask: PP+carbon fabric+filter paper+PPSize 17.5 x 9.5cm, 14.5x9.5cm, 12.5x9.5cm, adult/ children size, customer-madeFilter rate BFE90%, 95% or 99%Color elastic earloop & tie-on bands,1ply/2ply/3ply/4ply are available
Description:Item Disposable Medical Mouth Face Mask Material2 ply face mask: PP+PP3 ply face mask: PP+filter paper+PP4 ply face mask: PP+carbon fabric+filter paper+PPSize 17.5 x 9.5cm, 14.5x9.5cm, 12.5x9.5cm, adult/ children size, customer-madeFilter rate BFE90%, 95% or 99%Color elastic earloop & tie-on bands,1ply/2ply/3ply/4ply are available