disposable mask High quality, reliable, 3-ply non-woven medical disposable facemask with high filtration efficiency. Color disposable maskHigh quality, reliable, 3-ply non ... resistant, anti-fog, and non-glass. feature: 3-plynonwoven face mask has high filtration efficiency 98% and is idea for hospital ... : 50 pcs / inner box, 2000 pcs / ctncarton size: 52x37x22cm disposable mask