Headchange USA "Burner" Hand Made Steampunk Goggles Burning Made in USA metal frame interchangeable lens non-polarized Lens width: 52 Hand Made in the USA - Interchangeable lenses - 5 Sets of Colored Lenses Included 52 mm Diameter Poly-carbonate Impact Resistant Lens - Allen Set Screws Hold Lenses Sturdy Metal Frames - Genuine Leather Eye Cups (Except on Plastic Version) 1 Year Warranty on Manufacturer Defects (Not Valid For Face Plants and the Like)) Adjustable Strap - Comes With Zippered Hard Case With Extra Lens Storage Slots