Okky sunglasses are made from recycled plastic, in collaboration with WFO Waste free Oceans. With the purchase of Okky glasses, the oceans, rivers and beaches literally become a little cleaner and you also support the great work of WFO. The goggles offer 100% UV filter in cat. 3. Okky protects the eyes from the brightest light and is suitable for children aged 4 to 10 years.