1. Push-in nose pads, safe and non-toxic, not easy to turn yellow or hard.

2. No need screw, match well with hook-style nose bridges of optical frames, glasses and spectacles.

3. They feature an air chamber that helps evenly distribute pressure and keep your glasses in place.

4. The PVC nose pads are not only increase the height, but also reduce the burden effectively, help your glasses fit for your nose comfortably and steadily.

5. Very easy to use, you can assemble them by yourself.