Interchangeable mirrored and clear lenses with magnetic fastenings Anti-fog treatment Adjustable elastic strap with nonslip rubber binding Multi-layer foam Hardshell case and drawstring pouches included Goggle frame Non-polarized lenses Imported, China Plastic frame Plastic lenses Measurements Width: 6.75in / 17cm Height: 3.5in / 9cm Lens Width: 180mm