1)material, ppg 2)dia: 65mm 3)abbe:58 4)specific gravity: 1.32 5)power range : +6.50~ +16.00/ -2.00 6)high scratch resistance 7)products are passed the high test of CE and ISO. White bag(9*9*4.5mm), inner white box(30*9.5*9mm), outer carton(51*33*38cm).