Comfy, stretchy, light, easily detachable food grade (chewable!) clear silicone head strap for toddler and baby glasses to keep them on your little person's face while preventing loss. The RoShamBo glasses strap for kids fits both baby and junior size shades. the kids' glasses strap kit comes with an adjuster piece as well to help for a better fit on infants or kids just growing into the junior size