Anodized AluminumMade in the USA or ImportedType II MIL-SPEC abrasion and corrosion-resistant anodized aircraft aluminum construction with unbreakable scratch-resistant polycarbonate lensUltra compact design fits in the palm of your hand comfortably fits in your pocketType II mil spec abrasion and corrosion resistant anodized aircraft aluminum construction with unbreakable scratch resistant polycarbonate lensRemovable pocket clip also clips onto brim of hat for hands free use