1)CR 39 1.499 UC/HC/HMC with imported material ,have one year quality guarantee. 2)Can do RX lens,also CR 39 lenticular lens. 3)We can offer 1.499 flat top bifocal /round top bifocal lens 4)White normal envelops or color as your design. Gross weight:25kg Dimension:45*55*33cm.
