Ensure your child's eyes have maximum protection from the sun with these unbreakable polycarbonate lens sunglasses with anti-scratch filters. Guaranteed 100% protection against UVA & UVB rays (category 4). Designed to adapt to & monitor the development of little faces, the small reversible frame has two different curves to fit perfectly onto the nasal bridge. Clever 2-in-1 size system: size 1, for 0-18 months, size 2, for 12-360 months. In non-allergenic plastic, these sunglasses are equipped with thin, flexible arms for comfort & have no hinges to prevent pinching. Comes with removable adjustable cord & an organic cotton protective sleeve.