Details For each 3 pack purchased, one mask will be donated to Chosen 300 to benefit Philadelphia residents experiencing homelessness. Crafted to CDC specifications for cloth face coverings to help slow the spread of COVID-19. These are not medical-grade face masks, and are intended for use by the general public when not at home. Double-layered mask with space for a filter (filter not included, but available here ) Made from deadstock fabric: a blend of Hemp, Organic Cotton, Recycled Polyester, and TENCEL™ (percentages vary per mask) Fabric weight between 3.8 oz. - 5 oz. per mask Suitable for children ages 8+ or adults with smaller faces: 21 cm from left ear to right ear (fabric only), and 12.5 cm from top to bottom in the center. Masks are final sale and cannot be returned or exchanged. Made responsibly at our primary apparel factory in China