Features: Face Mask (with ties) *Non-woven materials. Fiberglass Free, hypoallergenic, excellent breathability,high filtration,light weight. Aluminum bar or plastic bar with inner metal for adjustable nosepiece. Availablein flat elastic, round elastic, latex-free elastic,etc. Ref. No.: HA-6002 * Huaan also supplied 2ply and 1ply face mask and more other colors face mask.