Julbo has invented an unbreakable, looping reversible frame! No right or wrong way up, these glasses will adapt to small faces between 2 and 4 years, any way they put 'em on. Designed without hinges, they are completely safe. The short and completely flexible sides ensure maximum comfort for toddlers. Comes with a removeable strap. The lense a polycarbonate lens Spectron 4, and guaranteed 100% protection against UVA, B and C radiation.