CHEMISTRY & SCIENCE face mask with the Periodic Table of Elements. STYLE: Fitted face mask with a RUST-PROOF NOSE WIRE that easily conforms to the face. The built-in aluminum nose wire is encased in a protective coating & won’t rust upon washing. It is light & breathable. The elastic ear loops can be adjusted for a tighter fit by adding an extra hidden knot. SIZES: 4 sizes available, for Men, Women/Teens & kids (see the photos section for measurements). IMPORTANT STUFF: This is a non-medical cloth face mask designed to contain the disbursement of respiratory droplets. For safety & health purposes, please wash prior to each use. RETURN POLICY: Due to sanitary reasons, all masks are final sale…BUT, I am not happy unless you are happy. Please send me a message if you are unhappy with any order. Made in the USA! Chemistry Face Mask, W/Nose Wire, For Kids & Adults