Material : PC Frame, AC Lens,Head Size:Narrow to Medium Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Size for manual measurement, there may be a 0 to 1 cm error, belongs to the normal phenomenon. Clear Vision Reading Glasses-Improved Bridged Design for both Fashion and Function. Keeping stylish Sleek & Sturdy with Spring Hinges makes the readers strong and durable. Will not break easily. Matte Finish on the frames giving readers a SMOOTH, and GLOSSY feel. Look Sharp at work, at Home, and on the Go! If you have any problems with our items or services, please feel free to contact us . We will do our best to solve any problems and provide you with the best customer services.