1. Index: cr-39 1.499 2. Power range:sph:-0.00~-1200/cyl:-0.00~-4.00 sph:+0.00~+6.00/cyl:-0.00~-4.00 3. Diameter: 50, 60, 65, 70, 75, 80mm 4. Coating: uc/hc/hmc/hmc+emi/ super hydrophobic 5. Delivery time: according to your quantity 6. Package: standard white envelope for free, your design with your logo, colored envelope need extra charge 50cm*33cm*40cm