Our Fox Face Masks are made from a premium fabric blend for exceptional comfort. Mask are one size fits most with an adjustable elastic band. Masks are washable and reuseable - please wash between each wear. Masks are non-medical grade and not a substitute for professional medical advice, diagnosis, or treatment. Fox Head Inc. makes no claims - express or implied - that masks prevent infection or transmission of viruses or diseases. Disclaimer of liability: Wear mask at your own risk.