1)diameter : 70/28mm 2)abbe value : 58 3)transmission : over the 98% 4)abrasion resistance : 6/8h 5)reflective index £º1.49/1.499/1.50 cr-39 1.499 resin lens cr-39 1.499 round-top bifocal lens cr-39 1.499 flat-top bifocal lens cr-39 1.499 progressive lens. Carton :44*32*24.5 cm 21 boxes / carton Box : 20*10*8.5 cm 5 pairs / box Or under your demands.
