New, unused glasses in the box for protection from mobile phones and electronic devices. Night use. Helps with sleep, prevents headaches caused by bright lights, and prevents dry eyes. Blocks 100% of harmful blue light. Excellent for night shift workers in places with bright or disturbing light. 490 SAR. Note that the original purchase price from the Australian company Bon Charge was over 600 SAR. Frame Material: Metal Lens Material: Polycarbonate Lens Features: Blue Light Blocking Type: Computer