These incredible stick-on lenses instantly turn any brand of sunglasses into sharp, clear reading glasses! They can be cut to the shape of any sunglass lens, and are removable and reusable; they adhere to the lenses by molecular attraction. Excellent for pilots using Ray Ban, Serengeti, Randolph and other aviation sunglasses.Also work well for the out-doorsmen & anyone else needing inexpensive corrected sunglasses. Available from 1.25 to 3.00 diopters. Please specify magnification when ordering.