Disposable Surgical Mask(With Tie Back) suitable for basic protection of medical personnel and related personnel, as well as protection against the transmission of body fluids and spillage during invasive operations. The product is composed of cover cloth, nose clip and mask tape. The cover cloth and mask are made of non-woven fabric( the ear hook mask belt is made of elastic band), and the nose clip is made of bendable plastic material. Non-sterile supplied. It meet the requirements of ASTM F2100 LEVEL 2 for disposable medical masks. The price is $0.33/PC.