The Ashbury & Eighth Custom Mask, are NOT rated for disease control. The CDC has provided the following guidance in regards to home made face masks... The role of the face mask is for patient source control, to reduce contamination of the surrounding area when a person coughs or sneezes. Most face mask do not effectively filter small particles from the air and do not prevent leakage around the edge of the mask when the user inhales. Caution should be advised when wear of non professional face mask.