LENSES INTERCHANGABLE- Fitted lenses are able to be switched to your own lenses, or prescription ones as needed. Asking local professional optician to exchange and get your right lens is recommended, in case of any injury.
Dimension: lens height 43mm(1.69 inches)--lens width 48mm(1.89 inches)--nose bridge 18mm(0.71 inches)--arm length 140mm(5.51 inches)--frame width 142mm(5.59 inches);
STYLISH ULTRALIGHT- Revo technology is made with even lighter weight material and are even more unbreakable. Combining the best of performance eyewear with versatile style, ultra lightweight and comfortable design are ideal for the heavy readers.
EYE PROTECTION- CHB eyeglasses are made with the most high quality polycarbonate lenses, which offers HD UV protection, blocking out a wide range of harmful radiation. 90% of the blue light is reduced, relieving eye fatigue, dry and vision falling.
SATISFACTION GUARANTEE: a 30 Day Money Back Guarantee when purchased from the Exclusive authorized seller on Amazon: "CHB SUNGLASSSES". Customers can return and get refunded in case the purchasing is not satisfactory for any reason. You have no risk!