The Thin Blue Line Face Masks are made of two layers, polyester outside and breathable cotton inside.
The low-profile mask features a Thin Blue Line on the left side, in-line with your heart. This mask is perfect for On-Duty, Honor Guard members, and daily wear.
The mask should not be used (1) in any surgical setting or where significant exposure to liquid, bodily or other hazardous fluids may be expected; (2) in a clinical setting where the infection risk level through inhalation exposure is high; or (3) in the presence of a high intensity heat source or flammable gas. Thin Blue Line USA makes no warranties, either express or implied, that the mask prevents infection or the transmission of viruses or diseases.