[Satisfaction Promise]: For any quality issue, Quesuc guarantee 90 days money back and lifetime technique support. Warm tips: In order to ensure customers purchase quality products and not cheated by fakes. [Good Adhesion] Using industry glue on the backing of nose pads are specially designed to prevent glasses from easily slipping while you are working or doing exercises. [Wide Application]Suitable for many glasses: the adhesive glasses pads can match well with various kinds of eyeglasses, sunglasses, spectacles, etc., suitable for all kinds of plate optical frames, board sunglasses plates, plastic frames, etc. [Easy to Apply] Just peel and stick these self-adhesive nose pads on your eyeglasses, and you'll no longer be irritated with glasses slipping down your nose. [NOTE] For best adhesion, please kindly clean the pad application area with rubbing alcohol and letting them dry thoroughly before applying the pads. [D-shape design] omfortable material: these eyeglass nose pads are made of quality silicone, the D-shape silicone can effectively reduce the pressure of your nose bridge, have nice soft and comfortable tactility, durable and firm to use.