1).Optical frame The material of the frames - Nickel frame - Monel frame - Stainless steel frame - Memory metal frame - Handmade frame 2) Packing:1pc/polybay;12pcs/box;300pcs/carton 3) Carton description: Appr.77cm x 23cm x 24cm 4) N.W: Appr.4.5-5kg 5) G.W: Appr.8-9kg