Protect yourself and others with a stylish, Bite My Worm face mask. Our face masks provide a physical barrier around the face. They are, however, not meant for medical-grade and not meant for medical use. Great for everyday use for overall protection .: 100% Polyester .: Two layers of cloth with a filter pocket between (filter is not included) .: Black inner layer and ear loops .: Shaped form .: One size .: Assembled in the USA from globally sourced parts