Face covering, Machine washable and re-usable. Adjustable ear loops for a snug fit – 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 Polyester, inside Cotton liner and filter pocket. Our face coverings are 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.