Non-medical grade light weight and breathable fabric. Designed to be 2 ply barrier, with one size fits most two ear hole slots. It is washable polyester/spandex blend, made in the USA. This is a fan accessory that has not been cleared for medical use by the FDA. Not intended to be usedas medical grade Personal Protective Equipment, commonly known as PPE. Not intended to replace other recommended measures to limit the community spread of COVID-19, such as social distancing, washing your hands and refraining from touching your face. Should be washed after each use. Thoroughly wash your hands after touching your Fan Mask. Please visit the CDC website for more information. Made by Wincraft.