Clip on Sunglasses,UV400 Flip-Up Polarised Sunglasses - Convenient and Secure Fit over Prescription Eyeglasses Ideal for Driving and Outdoors Mens/Womens

This polarizing clip works just like the expensive prescription sunglasses you buy. Completely filter out all UVA and UVB radiation from the sun, giving maximum safety and preventing cataracts or other eye damage. Made from extremely strong and durable polycarbonate as used in sports and safety applications like visors and bullet proof glass. Prevents glare and haze caused by reflected sunlight on roads, water and snow, etc., by polarising the light into a single direction, enabling you to see more clearly and making your eyes more comfortable. Ideal for driving, reading on the beach and other outdoor activities like fishing, sailing, or skiing. Easy one hand secure clip on to and fit over prescription eyeglasses. These clip-ons can be used with prescription or non-prescription spectacles of all kinds, whether full frame, half frame or rim-less and either made of metal or plastic. Smooth, solid and durable precision engineered spring-loaded flip-down / up mechanism that works perfectly every time and won't break or stick.