SAFE MATERIAL - We firmly believe safety is the most important for our kids.kids sunglasses are made of high quality imported food grade rubber TPE,which ensures they are non-toxic and harmless to the children when they wear them or put them in their mouth.100% UV400 POLARIZED LENS - Drastically reduce the brightness of shiny surfaces as well as help to reduce glare.Effectively protect your children's eyes from from long-term UV damage by blocking 100% of harmful UVA and UVB rays.Babies and kids can enjoy UV-free time better when you take them outdoors.COMFORTABLE WEARING EXPERIENCE - Soft,light and flexible frame enhance children's wearing comfort.Automatic adjustment temples make the sunglasses perfectly fit for any kids faces and no any pressure to wear.ENCOURAGE MORE INTERSET IN OUTDOOR ACTIVITES - The great styles and wide variety of colors help stimulate the rich imagination of children and makes them much more willing to participate in outdoor activities.