Economically priced to fit your budget Wrap-around fit to provide excellent field of vision Lightweight one-piece polycarbonate lens Provide 99.9% UVA and UVB protection Anti-scratch coating 12 per box, 300 per case GENERAL SPECIFICATION:Lens Base: 10 Curve Overall Length (Lens-Tip): 155mm Overall Width (Hinge-Hinge): 140mm Weight: 24gm COMPONENT MATERIAL FEATURES Lens Polycarbonate 8 curve lens Side shield Polycarbonate Integral to lens Nose pad Polycarbonate Universal, integral to lens Temple Polycarbonate Rubber temple tips Hinge Polycarbonate 3 barrel type, integral to frame/temple Screw Stainless Steel Standard hinge screw