grinderPUNCH Men's Polarized Sunglasses Lightweight Flexible Sports Running plastic frame plastic lens polarized Lens width: 50 millimeters Optical Protection: Polarized UV400 Protection Lenses (Filters UVA and UVB Light) Super Light Weight: Thin flexible lightweight frames allow for flexing to fit a wide range of head sizes. They look great and are comfortable. Cleaning Pouch: Includes grinderPUNCH Microfiber Cleaning Pouch Casual and Sport Wear: Great for times when you need lightweight optical protection. Running, Golfing, Fishing, Driving and other daily wear Cleaning: Wipe frame with soft damp (dampend with water) cloth, and use included microfiber cleaning pouch to clean the lens.