Our face masks are made from 100% polyester microfibre, which doesn’t absorb moisture, with a biodegradable cotton lining. They are machine washable and re-usable. Now with adjustable straps. Cellophane bags are biodegradable and compostable. One size fits all, for other size options, please enquire at rachelamooney@gmail.com Please note: These face coverings are not medical grade, and are for personal use only.