One size fits most. Wicking cool comfort fabric. Soft 3-play 100% cotton. Adjustable nosepiece. Breathable. Washable & reusable. Adjustable nosepiece for enhanced fit. Wicks away moisture. Fabrics touching skin: 100% cotton. Mask may contain silver and /or copper. Dispose after 20 washes. Hanes.com. how2recycle.info. Visit Hanes.com to learn more about our response efforts. Questions? 1-800-994-4348 Recycle packing see back for details. This product has not been FDA cleared or approved, This product has been Authorized by FDA Under an EUA for use by HCP as PPE to Help Prevent the Spread of Injection or Illness in healthcare Setting and by the General Public to Help Slow the Spread of the Virus during the Covid-19 Pandemic. This product is authorized only for the duration of the declaration that circumstances exist justifying the authorization of the emergency use of medical devices, including alternative products used as medical devices, during the Covid-19 outbreak, under section 564(b)(1) of the Act, 21 U.S.C. Section 360bbb-3(b)(1) unless the authorization is terminated or revoked sooner. Made in Vietnam.