Julbo Kid's Solan Sunglasses with Spectron 3+ Lenses Spectron 4 Baby lens is a dark lens, blocking 95% of the visible light, for max protection for your child's eyes The symmetrical shape of the sunglass eliminates a right-side-up or wrong-side-up The hingeless design prevents little figures from being pinched Comes with a flat elastic strap in order to keep the sunglasses on your babies head