109IR.Lightweight, Regular 22" Size with 1/4" Opening, Black Nylon Invisible Hairnet Hair nets are made from flame-resistant 100% Polyamide. Great for any hospital, lab, manufacturing, restaurant or food service employee Soft caps are comfortable for all day use. Let your hair stays securely in place with the 1/4" Opening hair net. Latex-free band keeps your hair net securely in place without ties. Notices: We have change the package, the new package is smaller than the original, old and new packaging random delivery.