1) Imported raw material.(PPG) 2) Diameters:50mm,55mm,60mm,65mm,70mm,75mm. 3) UC,HC,HMC. 4) ... also available.2) Progressive, flat top/round top/invisible bifocal lens,tinted lensPacking:1)standard white envelops2)customers designs with yourself ... to create a bright future. 1.50 UC/HMC optical lens (CE and FDA)