The Koolsun Sport is a flexible pair of sunglasses for children. It is made with durable and strong TPE. The lenses are made from strong and unbreakable polycarbonate. The lenses are Optical Class 1 and Cat.3, they block UV-A & UV-B radiation 100%. Koolsun Sport sunglasses are ideal for kids as they are flexible and give optimum protection from UV-A and UV-B radiation. The Koolsun Sport range of sunglasses comes with a light grey pouch with the Koolsun logo.