Front panel is polyester, back panel is cotton. Each mask has adjustable ear straps, and a pocket inside for disposable filters!
Dimensions: 7.5 inches wide, 5 inches tall.
PLEASE NOTE: This is not a medical-grade product, masks should be regarded as a supplement to other preventive measures. Although wearing a face mask may reduce exposure to particles, it does not eliminate the risk of becoming infected or infecting others.