"Sunglasses are the main accessories for summer and winter beaches, streets, swimming pools, parties and other places. Sunglasses can not only absorb ultraviolet rays to protect your eyes, but also help you ride in the sun to see better. Sunglasses do not need to worry about the glare caused by ultraviolet rays, roads, water, snow and other horizontal surfaces to interfere with your observation. Sunglasses also have a unique brand design style. They look more fashionable. 1. Sunglasses are made of 7 layers of materials, which can protect the eyes in all directions. The first layer is the polarizing layer, which is the core of the lens, providing more than 99% of the polarization effect and effectively absorbing glare. The second layer and the third layer are effective The bonding layer that undergoes cutting, baking, baking, bending and cutting. The fourth and fifth layers are ultraviolet absorbing layers that can absorb more than 99% of uv ultraviolet rays. The sixth and seventh layers are impact-resistant layers with good The toughness and impact resistance can prevent the lens from being scratched and extend the life of the lens 2. The glasses frame is made of TR90 material, light weight, impact resistance, high temperature resistance, safety, and no chemical residues. Even if you wear it for a long time, you will not feel discomfort. 3. Metal hinge: two-layer hinge structure is firm and stable 4. Fits to the human face structure, and will not feel uncomfortable when worn for a long time 5. Sunglasses are also a great choice to give to friends 1. Clean the sunglasses with a professional cleaning cloth 2. Keep away from sea water If your product is damaged or damaged within 30 days. We return and exchange products for free"