Each protective face shield features a preformed foam headrest designed for all-day comfort. The foam is closed-cell and can be cleaned and reused with standard sanitization methods. Only closed-cell foams like ours can be completely cleaned. The headrest is malleable for an excellent fit. Compatible with glasses, safety glasses, and full-coverage goggles with our custom ergonomic cross-linked polyethylene (closed-cell) headrest. The shield is 9"x"13 DuPont PET plastic. The 18" elastic band is easily adjustable with clips and is non-latex, removeable, replaceable and washable. Made in Des Moines Iowa with USA materials and suppliers., UNIT OF MEASURE: PL