For this kind of rectangle rimless sunglasses, we offer you 100% anti-collision. Because of the special material adopted, you won't be worried about the breakage of the lenses which may cause harm to your eyes. Meanwhile, the structure of rimless sunglasses gives you more flexibility to handle the lenses. We tried our best to balance the rectangle shape and the color of the lenses which would offer you an easier way to find your own individual style. Our materials are various from one another, including the plastic, metal, titanium, alloy, TR90. You can choose anyone based on your consumption capacity.