sun lens: 1.FDA,CE,ISO,drop-ball test 2.professional quality,100% UV400 3.competetive price, fast delivery sun lens - sunglass lens:1. Nd: 1.499, UV400, UC or HC or HMC2. Plano, or, SPH6/CYL23. Diameter: 70mm/75mm/80mm4. Base curve: 600B /800B5. Center thickness : 1.9mm / 2.0mm / 2.2mm /2.5mm6. Colour: Full / Double / Gradient, any color can be made: Brown, Grey, Green, Pink, Purple...