1 pair of blue block glasses for kids at 1 low price. Our glasses can block high level of blue ray from digital screen. So the glasses can relieve eye fatigue and stress of whom are exposed long time to the digital screen. Comfort spring arms fit most face size and its lens will give your children clear vision. Each pair comes with a matching zipper case which can help to protect the lens from scratch and also more convenient for you to take it. Last but not least,your support is the crowning glory for us. Meanwhile,your satisfaction really matters. Please don't hesitate to contact us to solve any problem before leaving any neutral or negative feedback.