SEEAFUN supplies both boy and girl with various styles of blue light filter glasses and to create more value, to offer people who love fashion more healthy, comfortable and fashionable glasses products. Provide quality products at prices which provide value to our customers. Why do we need the blue light filter glasses?Scientists have found that exposure to harmful blue light from phones, tablets, computers, TVs and modern room lighting ruins your sleep and causes permanent eye damage and vision loss. Eye Strain Too much blue light exposure can cause eye strain, headaches, and blurred vision,affect your learning efficiency Permanent Eye Damage Long term exposure to blue light has been linked to a greater risk for vision loss. Headaches Cause poor sleeping quality or even hardly can fall asleep SEEAFUN Anti Blue Light Glasses filter harmful blue light while letting in other safe light, it helps with sore eyes and headaches and will improve child's sleep & health. Product Size: Lens Width: 45mm/(1.77inches) Lens Height: 34mm/(1.39inches) Nose Bridge: 15mm/(0.59inches) Frame Width: 120mm/(4.72inches) Temple Length: 124mm/(4.88inches) Package Included: 1 x KIDS Blue light blocking glasses 1 x MINI CAR Glasses Case 1 x Test Card 1 x Lanyard1 xCute Cleaning cloth 1 x Mini Screwdriver Blue Light is Everywhere!!!!Let SEEAFUN protect your eyes !