This frame size is XX-Small with a hinge to hinge measurement of 116 mm. Ideal for narrow faces. UNISEX KIDS NON-POLARIZED SUNGLASSES: The Ray-Ban New Wayfarer sunglasses feature the legendary Ray-Ban crystal lenses. Made from high-quality glass, Ray-Ban lenses are prescription ready. 100% UV PROTECTION: To protect your eyes from harmful UV rays, these non-polarized sunglasses include glass lenses that are coated with 100% UV protection. MULTIPLE FRAME AND LENS COLORS: Choose from multiple frame colors—including black and tortoise—and multiple lens colors and treatments—including non-polarized gradient lenses. CASE & LENS CLOTH INCLUDED: Each pair of Ray-Ban sunglasses comes with a case and lens cloth to clean and protect them from scratches and damage.