Children spend significant time playing outside. Stonz make sure their vulnerable eyes are not only protected from the sun, but stylish as well. These Eco Sunnies feature modern design with polarized lenses that block 100% UVA & UVB sun rays, while being as adorable as ever. Stonz's infant and kids sunglasses will sit snugly, yet comfortably on little noses from 9 months up to 4 years old. Plus, with the sturdy and durable frames, they stand up to being tossed out the stroller from time to time (you know it will happen!) Play-proof: These durable frames and impact resistant lenses will withstand whatever playtime entails. Polarized Lenses: Reduce glare and improve visual clarity. We can’t guarantee your little one will love wearing sunglasses, but polarized lenses certainly improve your chances! UVA/UVB 400 protection: Protect their sensitive eyes from the sun while exploring outside. Eco-Conscious: Made from 100% recycled fishnets - yippee for reducing marine waste!