1. Soft, lightweight, Comfortable, odorless 2. Fiberglass free, Latex free earloops (option of round or flat), Features:1.Soft,lightweight,Comfortable,Odorless.2.Fiberglass,Latex free earloops(option of round or flat).3.Non-irritating to skin.4.Permits air passage and breathable.5.In clinical offices,housework,gardening and maitenance for filtering dust,pollen,and bacteria.6.In laboratories and ...