Designed for children aged 0 18 months, the Julbo Looping Infant Sunglasses are reversible, so cannot be put on incorrectly. Short flexible temples allow for a comfortable fit on a wide range of head shapes. Designed without hinges for superior durability and prevents the pinching of delicate fingers. The lenses are Category 4, Alti Spectron X6 smoked polycarbonate which provide maximum protection for an infant's delicate eyes. Lens blocks 95% visible light. 100% protection from UVA, B and C rays. Fitted keeper strap so sunglasses stay put. Carry bag included. For infants 0 18 months.