You will receive 5 pairs of black and 5 pairs of white anti-slip ear hooks for glasses, a total of 20 pieces, the size of the glasses leg frame is 0.2 x 0.6 cm. The non-slip frame of the glasses is made of highly elastic, high-quality silicone, which is soft and comfortable, not easy to deform, cold-resistant, high temperature resistant, not easy to yellow, age and break and has a long service life. The non-slip glasses frame is suitable for sports, work and everyday life. It can effectively fix your glasses and prevent your glasses from slipping during training or walking, making your life easier and more comfortable. This non-slip glasses frame is suitable for many types of glasses, reading glasses, sunglasses and more. So you can read comfortably with glasses, do sports, hiking or spend your leisure time. If you have any questions about the product, please feel free to contact us. We will provide you with satisfactory service.