Flammi Black Grey Polarized Clip-on Flip up Aviator Sunglasses Lenses Glasses for Driving Fishing Traveling 100% UV PROTECTION: The black grey lenses protect your eyes from strong sunlight. Perfect for driving, skiing, fishing, shopping, travelling and more POLARIZED LENSES: Improve your vision, reduce glare, sharpen your eye sight, alleviate eye fatigue STURDY CONSTRUCTION: Metal alloy clip - virtually unbreakable clip mechanism. New lower profile squeeze to open clip METAL CLIP LEGS WITH RUBBER COVER: Soft rubber Legs have proprietary coating to protect ophthalmic lenses and prevent shifting and scratching. New design leg profile to fit both metal and plastic frames. Convenient one hand application to Prescription frames with positive indexing lens positions EASY AND CONVENIENT TO USE: Just clip on your glasses and flip up, the glasses lens will improve your vision by eliminating reflected light and scattered light, blocking strong light, keeping off harmful ultraviolet rays, give you a wonderful sight and protect your safety. It can clip on most of regular glasses.