●Features: UV protection, adjustable belt, anti-fog, antibacterial, mirror finish ●Materials: Goggle lens/polycarbonate, face pad/thermoplastic rubber, strap/silicone ●One Size Fits Most: Frame Length: 5.7 inches (14.5 cm); Lens Length: 2.4 inches (6 cm); Recommended Age: 13 years to adult ●Lens Features: UV and anti-fog lenses Visible Light Transmittance: 90% ●UV Transmittance: Less than 0.1% (UV protection over 99.9%) UV rays can cause significant damage to your eyes, so use UV lenses that block over 99.9% of UV rays, so as to avoid damage to the lenses, the effect of UV rays will last longer