These masks provide users with an excellent protective barrier. It's great for preventing the spread of infections. These face masks are very comfortable and highly breathable. The masks are made with 3-ply construction. They should be used for all general patient care situations and conditions. In the EMS field or in the operating room where safety come first, these surgical masks are a vital necessity in providing bacterial filtration properties. They will easily slide over the ear with a soft elastic rubber sting which holds the mask securely to the wearer. You should buy your surgical masks with comfort and safety in mind. Surgical masks aren't all made the same. When you're looking for surgical masks, you'll want to make sure they are made to a high standard. It's also important that surgical masks be made to fit comfortably because of the long hours they are often used in surgery.