... woven 2.Weight:200gsm,180/320gsm available 3.Single headstrap dental product composite -Weight:200gsm,180/320gsm available-Soft, lightweight ... , and Easier breathing-Made from Melt Blown Polypropylene material, with water-proof function.-Perfect fitting: Adjustable inner and outer nosepiece ... Gardening, dentistry, family cleaning, carpentry, metal-processing, agriculture, etc. dental product composite