Ear-Loop Face Mask 1. 2/3-ply polypropylene cloth, low breathing resistance and high filtration efficiency. 2. Binding type 3. Mini-fibre high electrostatic filter, filtration efficiency of dust & powder is over 95% 4. Repel continually contamination of dangerous blood and saliva continually. Inner cover is good sweat absorbed. While outer cover is water resistant. 5. Suited to factory, surgery, electronic, food, pharmacy, beauty parlor^etc. Color: White, green, blue, pink Packing: 50PCS/box 1000PCS/CTN 5/4kgs 52x38x18cm 17000box/20'.