Extinguish that nasty blue light Blue light is the harmful light emitted from our digital devices. If our kids exposed to it for too long, it's been shown to potentially cause some pretty unpleasant side-effects. These are collectively known as digital eye strain. Product Specifications Product Dimensions: - Overall Glasses Width: 125mm Glasses Lens Width: 49mm Frame Height: 44mm Temple Length: 132mm Nose Spacing: 15mm. What are the symptoms? Tired, burning eyes our kids get after a deep dive into electronic devices. The pounding oh-my-god headache kids get after a day playing games. The sudden, shooting neck pains the general fatigue. And all those times you lie awake staring at the ceiling, unable to drift off? You guessed it, digital eye strain. So what can do for our kids? All you need is a little bit of warm care. 1.Move farther away our kids from screen. 2.Use the 20 20 20 rule: every 20 minutes, let our kids look away from the screen at something 20 feet away, for 20 seconds. 3.Most importantly, invest in a pair of blue light blocking glasses for our kids. What your kids will benefit from our glasses? Our anti blue light glasses for kids 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. Package includes: 1 pair of glasses, 1 glasses bag.Guarantee:Each product enjoys a full 12-month worry-free warranty. Please feel free to contact us for any questions. Ages 4-10: Classic design computer glasses for kids, is suitable for both boys and girls from ages 4 to 10 (For more accuracy, please refer to the frame size), high transparency of frames, Lovely game glasses for children. Reduce Eyestrain: It can alleviate children's eye strain. Not only protect sight but also considerably reduce headaches and migraines caused by fatigue. Soft And Comfortable: The frame of the gaming glasses is made of TR90 which is bendable and especially designed for kids. The nose pad is made of silicon which are comfortable for long wearing. Blue Light Blocking - Kid's glasses (NON-prescription) for daily use when kids using a computer, iPad or smart phone. glasses can cut harmful blue light. Reduce eyestrain and headache. Protect children's eyesight.