... ISO ApprovedUsed in Hospital or by normal citizen1PLY 2PLY 3PLY Ear Loop Tie OnBFE95% BFE99% High fluid Respiratory protection 1, Used ... mask size: 17.5cm*9.5cm Standard Ear loop Length: 17-18cm5, Tie On and Ear Loop (round or flat elastic)6, Package: 50PCS ... , 500PCS/CTN, 1000PCS/CTN, 2000PCS/CTN, Package Includes: 50pcs Medical Ear-loop Respirator Face Surgical Mask We believe: Your success is our ...