Manufacturer of masks, gowns and medical devices Nanocare 3 ply disposable mask 1st layer is nonwoven and waterproof, 2nd layer is meltblown paper, 3rd layer is nonwoven fabric, which is skin-friendly Size: 17.5*9.5 cm Color: Blue White Non- sterile Packing: 50 pcs box, 50 boxes carton BFE 95% FDA, CFS, CE, ISO 9001: 2015, ISO 13485 : 2016