LINDBERG ( LINBERG ) Eyeglass frames are made of durable titanium wire. The ultimate in lightness with a weight of only 3 grams. There are many designs and shapes to suit every face. The most special feature of this model is You can choose the color of the top, bottom and temple frames to make them unique and unique frames according to your favorite style. Model Air Titanium Rim ( Air Titanium rim ) Retains the legendary classic of .LINDBERG (Linberg) and is still very popular with wearers around the world today.