1)material: ppg/ts-46 2)dia: 65mm/70mm/72mm 3)abbe: 58/40 4)high scratch resistance 5) specific gravity: 1.32/1.28 6) new designed products, silm and thin 7)super-hard protection coating availabel(tintable and non-tinable) 8)hmc and hmc+emi coating available in greenish and bluish color 9)products are passed the high test of CE and ISO. 10)semi-finished or finised are available. White bag(9*9*4.5mm), inner white box(30*9.5*9mm), outer carton(51*33*38cm)