CRGATV is a professional glasses fashion company integrating R&D, production, sales and services.The company adheres to the business philosophy of combining fashion with quality, emphasizing innovation, originality and value,CRGATV has refined its vision to earn customers' recognition. 4 Pack Blue Light Blocking Stylish Reading Glasses, Rimless Computer Reader Eyeglasses For Womens Anti UV Ray , Eyestrain & Glare Blue blocking glasses can effectively reduce the continuous damage of blue light to the eyes. After using anti-blue light glasses, the intensity of blue rays emitted by mobile phones, computers and other screens is effectively suppressed, reducing damage of harmful blue light to the eyes. Color:Blue Purple Yellow Gray Material : Metal Frame, AC Lens,Spring Hinges Diopters available: 1.0x 1.25x 1.5x 1.75x 2.0x 2.25x 2.5x 2.75x 3.0x 3.25x 3.5x 3.75x 4.0x Package includes: 4 x Reading Glasses + 4 x Pouches + 4 Cleading Clothes Please specify the frame color and lens strength when pay for this.Thanks! Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Size for manual measurement, there may be a 0 to 0.5 cm error, belongs to the normal phenomenon.