Lens width: 53 millimeters
DIMENSION:Lens width:53 MM,Bridge width: 15 MM,Arm length:140 MM
DESIGN:Spring hinge arms design,it is easy to wear and take off,and better to keep the glasses.
MATERIAL: TR-90 is memory polymer material. It is the most popular ultra-light frame material in the world,which has the characteristics of super toughness, collision resistance and low friction coefficient, etc.
TIJN Blue Light Blocking Glasses Cateye TR90 Frame Anti Blue Ray UV Filter Eyeglasses