Product name: Disposable face mask, Material: SBPP nonwoven,Meltblown nonwoven, Colour: blue, Ply: 3ply, Size: 17.5 x 9.5cm. Package: 50pcs/box Delivery time: 3-5 days. Certificate: CE, FDA. Application: Medical care, food service and safety protection. Bacterial filtration efficiency: 95-99%. Feature Disposable,convenient, dust-proof,anti-virus