The Organic Cotton Mask is a soft, comfortable and reusable mask that is great for everyday use! The 2-layer fabric is lightweight, breathable and machine washable. The elastic ear loops have adjustable clips to customize the perfect fit for everyone and a filter can be inserted on the back side of the mask (filter not included). The outer layer is made of 100% organic cotton. 1% of all Eco sales are donated to environmental profits through partnership with 1% For The Planet. This mask is not CDC or FDA approved for medical purposes.