BangLong Outdoor Sports Polarized Sunglasses Glasses Changeable 5 lenses UV400 Polarized lenses eliminate glare and reduce eye fatigue 5 Shatterproof Lens:The Main Black lens is Polarized Lenses Against Strong Sunlight, the Other 4Lens are Colored Sunglasses for Different Environmental Condition Frames Material: PC composite engineering resign Polarized triacetate lenses are impact and scratch resistant, Lightweight and durable 100% Protection From Harmful UVA and UVB Rays