design for boys and girls The colorful and classic round frame design perfectly fit the boys and girls face.They are fashionable and attractive.The non-slip design of the temple tips also provides toddler with a better wearing experience have a long using days as 1-2 years or more. ULTRA-LIGHT,HITHT QUALITY The frame is made of comfortable and flexible bendable TR90 material,Very light and very suitable for children to wear for a long time.Th e special design of the temple tips protects the glasses from slipping off during exercise. The nose pad is a detachable design and is made of super skin-friendly and soft silicone material.If you have any questions about purchasing our products, you can let us konw at any time and we will reply to you within 24 hours. BLUE LIGHT blue light such as using ipad or playing computer game and other electronic products can cause great harm to kids.Good anti-blue glasses can protect children's eyes from eye fatigue and dry eyes. Anti blue light is very necessary Studies have shown that continuous staring to blue light vedio displays may hurt your retinal cells and cause myopia. Gudzws blue light glasses for kids can block 100% harmful blue light and UV,to protect child's vision.