REVO 3-Layer Soft Elastic Face Mask offers the optimal balance of protection and breathability. The mask is made of 3-ply non-woven material with adjustable nose wire. The reinforced Fabric adds an extra layer of protection to safeguard against contamination, infection or exposure to potential viruses and potentially harmful elements in the surroundings. The REVO “RDMASK-50” face mask is very easy to use, please spread out the mask and hang it on both sides of the ear, then fix the nose bridge in a nose shape to prevent dirty air from entering and finally pull the mask to the lower jaw to present a three-dimensional breathing space. Disclaimer: This mask does not eliminate the risk of contacting any disease or infection. Please change immediately if contaminated with blood or body fluid. This product is not designed, sold or intended for use except as indicated. This mask is not a respirator.