Polarized Sunglass Clip-On, UV400 Protection - Clearer vision, easier and safer life; Long Keeper polarized lenses prevent glare from the road, water and glass walls caused by sunlight reflection, 100% blocking harmful UVA and UVB radiation, providing you with clear and comfortable vision while protecting your eyes from long-term UV damage. Convenient and Easy to Use - Take it with you when traveling outdoors! This sunglasses clip-on is easy to use, just clip on your existing glasses to get a brand new pair of polarized sunglasses. The clip is made of metal and equipped with a rubber cover, which is durable and prevents glasses from scratches; it is carefully crafted with lightweight materials (only 9 grams) to ensure that you will not feel pressure when wearing it. These polarized sunglasses clip-ons can be matched with various styles of clothing to meet your different needs. The polarization effect of yellow lenses may not be as good as other color lenses, but it is more suitable for cloudy days and night activities. However, other color lenses are more suitable for working under strong light, while polarized lenses are more suitable for working in environments with stronger and more dazzling sunlight. Fashionable and Practical - The cat-eye sunglasses clip-on is fashionable and chic. This clip-on sunglasses is suitable for both prescription and non-prescription glasses. It is suitable for most eyeglass frames, such as cat-eye, oval/round, full-rim, rimless and half-rim glasses. It is perfect for driving, fishing, golfing, mountaineering, hiking, traveling or any other type of outdoor activities. The lenses can be flipped up when not in use.