Featuring original artwork, this Face Mask is made of 2 layers of 100% Organic Cotton, easily adapts to different sizes with adjustable straps and includes a hidden, integrated metal nose-piece to ensure a snug fit. Each mask comes with 3 5-layered PM2.5 activated carbon filters with two layers of melt-blown polypropylene. Filters should be replaced every 7 days. Fits adults and kids ages 5 and up. Each purchase supports the artist who created this piece.