The hygroscopic internal layer is made of non-woven fabric, while the middle one in molten polypropylene. The external layer in non-woven fabric is waterproof.
50 pieces set of antibacterial disposable Face Mask FPP1, with three cellulose layers. The hygroscopic internal layer is made of non-woven fabric, while the middle one in molten polypropylene. The external layer in non-woven fabric is waterproof. Certified as surgical mask.
