Polarized Clip-on Sunglasses – Clip on eyewear is made of UV400 protection scratch resistant coated lenses. The lens delivers more natural color, and greater clarity to allow you to see more details. Insures visual fidelity and impact resistance
UV400 Lens - 100% UV protection lens material filters out 100% of UVA/UVB/UVC & harmful blue light up to 400nm. It could anti glare and reduce eyestrain effectively
Spring Draw Bar - Frame width could stretch to 4 5/8 inches (118mm) from 5 7/16 inches (138mm). The ideal for prescription glasses and you do not need to buy prescription sunglasses additional