-double layered mid-weight cotton
-unbleached cotton lining + filter pocket
-elastic w/adjustable toggles for good fit.
-re-useable: hand wash in hot water with soap + hang to dry
Ideally you shouldn't have to wash this often, and let it's signs of wear show. If you do, feel free to throw it in the wash and don't leave it in the dryer for too long.
Please take care of yourself so that you can take care of others and spread love.