Specifications: Summer is coming, and do you want have an excellent season? Just at the moment our Company has developed a new sunglasses, named Aero-alloy glasses. They were designed By national superior designer M. S. The more strong sunlight is and deeper color It will be, and the better translucent rate is. Under the temperature of 20 degree Centerigrade or so, the speed of the lens discolor from shallow to deep is Five seconds, on the contrary, it is seven seconds. They are attractive, and we do hope you will be interested in them.