Based on the concept of classic half frame, with the concept of lightness, use, and multi-scene practicality, it creates products suitable for daily life. The pure titanium middle beam is electroplated and does not fade. The three-dimensional nose pads reduce the burden on the nose bridge. The high-quality hinges are durable and flexible temples. Comfortable face Product Details Frame material: pure titanium Lens: high-definition resin anti-blue lens Weight: 12.5g (without lens) Note: The product data is due to different measurement methods. The actual item has an error of 0.1cm-0.3cm, which is normal. In addition, there is a certain gap between the color in the photo and the actual object due to light reasons. Please understand After-sales service: Free replacement of the frame for 180 days, free replacement of the frame for non-artificial damage, and half price replacement of the lens for 365 days