Product Features: Ultra Lightweight Frame: Amazingly lightweight rubber frame designed for kids.It is flexible and will not hurt even if worn for a long time. 100% UV Protection, Blocks 100% Harmful UVA, UVB & UVC Rays. The lens and frame are impact resistant, scratch resistant, lightweight and durable.Great for golf, running, fishing and other outdoor activities. Made of flexible TPE material It is not always cheap for children because it may fall in between activities like the kids are running. Poor plastic frame is fragile and very dangerous for children.