Features: 1. Application - Alleviates visual fatigue and discomfort from long periods of web surfing, gaming and working under fluorescent lights. 2. Anti-Blue Ray - Effectively block the harmful blue light to protect eyes against harmful blue ray from computers and cell phones, and more. 3. Discoloration - With photosensitive color-changing function. It would protect eyes from harmful ray in the sun. 4. Size - Lens width: 51mm, Frame height: 45mm, Nose pad distance: 18mm, Total width: 142mm, Temple length: 146mm. 5. Material - Quality materials made, which features light weight and long durability, and provide comprehensive protection for your eyes. Notice: Actual color may be slightly different from the image due to different display and light effect. Please allow 1-3cm deviation due to manual measurement. Description: Frame material: PC Lens material: PC Color/Style: As the picture shown Weight: about 13 g includes: 1 x Glasses(only)