plastic lens 1.eyeglass clear acrylic lens 2.Diameter 65mm Thickness 2.0mm B.C.450 3.high quality, safe ... package, low prices Old Store New Price!eyeglass plastic lens ( 6.5 2 ... , 60mm, 70mm, too)3. Thickness: 2.0mm (we also make 1.0mm, 1.2mm, 2.2mm, too)4. Base curve: 450C ... (we also make 600C, too)5. Un-coated ...