This frame construction with high elastic composite resin material, has good flexibility and strength, light texture, feel very comfortable to wear * Unique soft nose pads of professional design, completely different from the ordinary sunglasses, the nose can be safely protected from injuries caused by the impact of gravity * 5 different colors of material optical grade PC lens, according to different purposes and occasions self-replacement lenses * Ergonomic curved design, the size of the different face shapes can be used * It is shipped from our US warehouse,it may takes 5-6 days for your to receive.