These 3-layer masks feature Non-woven fabric with a Nanofabric middle layer to more effectively block against fine particles in the air such as saliva, dust, and pollen better than non-woven and traditional meltblown fabric when used alone. Advantages of Nanofabric include being easier to breathe through and improved water resistance. Extra-soft elastic ear loops eliminate pressure to the ears for maximum comfort. It can be used with earloop holders/mask strap extenders for additional comfort and well-being. The 3-layer the pleated mask has folds that expand to offer full coverage over nose and mouth. Meets all technical and safety requirements of the CDC for public general protection usages. Suitable for home, office, school, outdoor, and other public places, these are designed as single-use face masks for adults and children over the age of 2 years. How to put on face mask: 1. Darker blue on outside, Lighter blue on inside 2. Place ear loops over ears 3. With the nose bridge clip on the bridge of your nose, adjust the mask to completely cover the nose and mouth 4. Adjust the nose clip to fit the bridge of the nose 5. Smooth the sides of the mask to adjust to your face 6. This mask is not intended for medical use, and not proven to reduce the transmission of disease. Always wash hands before putting on a mask and after taking the mask off.