This Comfort Mask pack of Five are perfect to use when working sanding wood, spray paint, adhesive spray and more. They are comfortable and easy to breathe. It filters out irritants, particles, pollen, and dust. It is one size fits most, nose piece and head strap is adjustable. It is odorless and fiberglass free and fluid resistant. The cone mask comes packaged in a 6.25" x 7.50" blister pack.