1. and StableThe frame of the glasses is made of Highquality Plate material. Compared with ordinary PC material, the plate material has the advantages of good luster, strong texture, resistance to discoloration, higher stability and greater durability. 2.Blue Light Blocking Glasses: Blue light blocker with UV400 lenses is suitable for both women and men. It can help block 99% of harmful blue light and UVA/UVB. Ideal for use when facing digital screens such as TVs, videos, PC, and phones. 3.Good eye protection effectThe blue light lenses reflect blue light by means of the coating process on the lens surface. These lenses feature a relatively high degree of color rendering accuracy. In addition, they can alleviate the irritation of strong light and blue light on the eyes, thus providing a more comfortable visual experience. 4.Flexible Spring Hinge Design : The spring leg can be expanded up to 15 degrees, thereby reducing the squeezing of the glasses on the head. It provides excellent protection for your face.