MATERIAL SAFE - Made from environmentally friendly materials to ensure they are safe for all uses.LENS SAFE - The lens technology ensures that the light going into their eyes is safer and more comfortable. Protect children's developing eyes from the strong ultraviolet and harmful rays of the summer sun.DESIGN SAFE - The soft frames and smooth edged design, means parents won't need to worry about their kids injuring themselves when they are doing activities or playing together in a group. ENCOURGE 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. Our Design is Safe. The rubber frames are soft so that fun-loving children can play without worrying about hurting themselves.- The soft frames and smooth edged design, means parents won't need to worry about their kids injuring themselves when they are doing activities or playing together in a group.