Bastion Disposable Hygiene Masks are used for medical, general industry, food processing and home care applications: Universal ear-loops provide comfort fit and superior protection Skin-friendly and easy to handle when being fitted and disposed of Layered and pleated designs, with a flexible nose wire Latex and fiberglass free, incorporating a breathable soft lining Thickness: 3 Ply Made of polypropylene which acts as both a mechanical and electrostatic barrier to filter and catch any bacteria shed in liquid droplets and aerosols from the mouth and nose