Size: G-406 is 26 mm wide, 17 mm tall, bridge hole is 4 mm wide,1 mm tall; G-412 is 23 mm wide, 19.5 mm tall, bridge hole is 5 mm wide, 1 mm tall; G-426 is 26 mm wide, 18 mm tall, bridge hole is 5.5 mm wide, 2 mm tall; G-428 is 28 mm wide, 19.5 mm tall, gap between bridge holes is 7 mm wide, 2 mm tall; G-429 is 23 mm wide, 18 mm tall, bridge hole is 6 mm wide, 2 mm tall; G-433 is 28 mm wide, 22 mm tall, the bridge is 5 mm wide, 2.5 mm tall, and the hole is 1 mm wide; 12 pcs in 6 models Notes: please carefully check the model and the size before purchase, and choose the one that fits your glasses with snap part; Align check the position and press directly into the button, if too tight, use blister nose rest or, wait for softening and then aim to press Nose protection: U-shaped non-slip nose pads installed on the glasses can make the bridge of the nose evenly stressed, prevent the glasses from sinking, make the bridge of the nose deformed, and can effectively protect the development of the bridge of the nose Wide application: anti slip glasses nose pads are suitable for most screw on spectacles, eyeglasses, decorative glasses, sunglasses,plastic glasses and so on, which are also suitable for people with nose injuries, and family use for everyday use while riding, running, surfing, climbing Safe material: these nose glasses support is made of a soft silicone material, if too tight, use blister nose rest or soak in warm water, wait for softening and then aim to press, reusable, comfortable to wear, sturdy, anti slip, which can prevent the frames from sliding off your nose, and provide a firm grip to keep your glasses in place so that you can use them for a long time