Polypropylene Spunbonded Non-Woven Fabric filter 70g washable reusable breathable Water resistant material perfect for protecting against fluids Non-woven fabric that will not hold onto bacteria and germs The fabric is cut from a 19 cms (7.4”) inches wide X 100 meters roll This fabric is perfect for level 1/2 isolation gowns. Non-woven fabric: Polypropylene resin is used as the raw material for production. It has the characteristics of waterproof, moisture-proof, breathable, flexible, lightweight, non-combustible, easy to decompose, non-toxic and non-irritating. Size: The Non-Woven Fabric has a width of 19cms (7.4”) inches - Easy to make: After cutting with scissors, you can use a stapler or manually sew and sew with a sewing machine. You can use a stapler, sew by hand and sew with a non-woven outer layer, and melt-blown interlayer. DIY production: In special times, you can't buy it out, you can use a sewing machine or a hand-made two-layer material product. Good for facemask