The style and size of the frame are suitable for most facial shapes.✔ Clear lens: The lens was made of a fully transparent base, without any pigment, while maintaining high light transmittance. Less reflective, no affect reading, and almost no color difference.✔ UV 400 Protection: UV filter protects your eyes from damaging ultraviolet rays while outside✔ Anti-slipping: The temples have non-slip silicone, giving your ears the most comfortable touch while you look down at the glasses. It won't slip, so perfect！These glasses are made-to-order products and will not be returned or exchanged if there is no quality problem.product contentProduct material: Metal FrameOptional: +1，+1.5，+2，+2.5，+3Forehead frame width: 147 mmLens height: 55 mmLens width: 42 mmNose bridge width：18 mmTemple length: 140 mmPackage Contents1X reading glassesprevention:1. It is normal to measure the size with one hand, and there may be an error of 0 to 1 cm.2. Due to the difference in monitors, the image may not reflect the actual color of the product.