Kids can look cool while protecting their eyes with these Hot Wheels™ sunglasses. The wayfarer-style frames are made from polycarbonate and feature the iconic flames and a check print. The lenses have a UV400 rating, offering 100% UV protection. As a guide, we would recommend size S/M for children up to the age of 6 and size M/L for ages 6+. Please note this is just a guideline as head sizes vary.