... the optical products, metal optical frame,acetate optical frame,optical glasses , TR90 optical frames, pure titanium optical frames, eyewear glasses, optical lens, ... Titanium frames, 300pcs/model, 3 color choices.Acetate optical frames: 500pcs/model, 2 color choices.Wood/bamboo ... popular item.100% wood/bamboo sunglasses, Metal optical frames, Acetate optical frames.11. Our advantage compared with other ...