1. Material: ABS/PC
2. Adjustable tightness, fixed and not easy to fall
3. The height can be adjusted, and when not in use, it can be put away without blocking the line of sight
4. Weight: 180 grams
5. Dimensions: 32.5x14x6.5 cm

The difference between polarized and ordinary models:
- Ordinary sunglasses and polarized sunglasses cant see any difference in appearance, while ordinary sunglasses can only reduce the intensity of light, and cannot effectively remove reflections on bright surfaces and glare in all directions
- Polarized sunglasses can completely block the glare caused by various factors such as scattering, refraction, and reflection because of their polarizing properties. , the eyes are not easy to get tired, to achieve the function of truly protecting the eyes, and to make the things seen clearer and more three-dimensional