Face covering, Machine washable and re-usable. Flexible nose bridge for a snug fit (helps to prevent glasses fogging). Adjustable ear loops – adult face covering 22 x 14 cms (excluding ear loops). With a filter pocket inside for an optional disposable filter – 3 x PM 2.5 Filters included. Covering is made with 3 layers of fabric outside 95% Polyester, 5% Spandex inside Cotton lIner and filter pocket. Our face coverings are ergonomically shaped for a perfect face fit. They are soft and comfortable to wear and are made of high quality materials Not suitable for medical use.