Real Kids Shades Adventure Sunglasses - 100% UVA UVB Protection polycarbonate lens 100% UVA/UVB PROTECTION: Full spectrum UV protection to keep childrens eyes safe from the suns damaging rays. SHATTERPROOF POLYCARBONATE LENSES: Lightweight while providing excellent impact resistance and optical clarity. RX compatible if you prefer to use prescription lenses. UNBREAKABLE FRAMES: Incredibly comfortable and unbreakable, flexible frames that stay put no matter what with SOFT, ADJUSTABLE STRAPS. Bend em, flex em, you cant break em! WRAP AROUND FRAMES: Minimizes exposure to peripheral light to provide maximum sun protection. TONS OF OPTIONS: Available in a variety of FUN COLORS, THREE SIZES (Baby 0+, Toddler 2+ and Kid 4+) and optional POLARIZED LENSES.