- Product Name: Disposable Surgical Mask, 3 or 4 ply facemask - Certification: CE, FDA, CFS, ISO; - BFE: >95% and >98% - Sterilization: Optional - 03 or 04 layers: Melt Blown Filter, Non-woven fabric, elastic ear loops, noise bridge bar - Size: Adult 17.0 x 9.5cm; - Color: blue and white - Packaging: 50 pieces / Box; 50 boxes / Carton; -,Delivery by: Air, Sea - Delivery Fee: On Buyer; - Made in Vietnam - Shiping: FOB, CIF