Spy Optic The Fold 1956 Flat Sunglasses Polycarbonate Imported Plastic frame Plastic lens Non-Polarized 100% UV protection coating Lens width: 54 millimeters Bridge: 20 millimeters Arm: 137 millimeters Spy's happy lens is the only color and contrast enhancing lens designed to maximize the transmission of the sun's "good" rays - whilestill blocking out its "bad" rays- so you can enjoy nature's awe inspiring beaty in ways you've never seen before. Distortion free arc lenses Uplift in mood and alertness Case Included Lenses are prescription ready (Rx-able) You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!