50 Professional Premium Quality Arts and Crafts Disposable Face covers. | 3 layers of high-quality non-woven fabric moisture-proof with a stronger filtering effect and soft and comfortable. | Great for Home Improvement and craft project Face Mask Protections. Easy to use while painting, cutting, or sewing. | To protect you and others the warning is added: Not For Medical USE. These masks are not suppose to be used by medical staff treating patients. This mask is not intended for medical use, and not proven to reduce the transmission of disease. | When you wear a mask you are protecting others. However, if someone next to you is not wearing a mask and is not careful - the mask is not enough to protect you. That's why the warning is added. That's true for all medical masks. People should know that when wearing a mask they are protecting others. But, if they are medical staff or treating patients they would need more than just a mask.