One size fits most ; Comfortable and breathable ; No-sew design is produced with minimal human touch ; Contoured shape and two sets of ear holes to fit most children and adults. The CDC recommends everyone wear a face cloth mask in public. Help America back to work and protect the community by wearing a mask. Made is USA. The mask should not be used in any surgical setting or where significant exposure to liquid, bodily or other hazardous fluids, may be expected. The mask should not be used in a clinical setting where the infection risk level through inhalation exposure is high; or in the presence of a high intensity heat source or flammable gas. No warranties, either express or implied, that the mask prevents infection or the transmission of viruses or diseases.