U-SHAPED DESIGN: These nose pads with U-shaped anti-slip design make the nose bridge withstand uniform force, avoid both eyeglasses and bridge bone from deformation, which can effectively protect the development of nose bridge. . SOFT SILICONE MATERIAL: Made of soft silicone, these saddle bridge glasses nose pads can effectively prevent the glasses from sliding and comfortable to wear. . WIDE COMPATIBILITY: The nose pads for eyeglasses fit all screw-on glasses eyeglasses feet, such as sunglasses, reading glasses, metal glasses and other eyewear. Warm notes: Please check the size of your eyeglass nose pad before purchasing to make sure it matches your glasses. Please refer to pictures for more detailed size information. . EASY INSTALLATION:Step 1. Please gently wipe the nose pads with alcohol and cleaning clothStep 2. Wrap the lenses with soft cloth, so as not to scratch the lenses during maintenanceStep 3. Replace the new nose pads with tweezers and screwdriver, then you are finished.