Check the listing for details. Round Shape Eye Glasses Ear Grip, 12 Pairs Hook with Box, Blue. Condition: New with tags. Listed at 13.56 USD. The glasses anti-slip is with most eyeglasses, sunglasses, and other optical devices. Suitable for all people to use during sports and activities such as cycling, hiking, running, playing football, and basketball.SpecificationColor: BlueMaterial: SiliconeSize: 14x14x5 mm/0.55x0.55x0.2 Inch(LxWxH)Applicable Aperture: 8x1 mm/0.31x0.04 InchPacking List: 12 Pairs x Eyeglasses Ear Hook(Comes with a Transparent Box)AdvantageThe eyeglass's ear grip are silicone with a stabilizer design to ensure stability, non-slip, soft and elastic, durable, and easy to clean. Comes with a box for easy storage.Anti-Slip DesignThe eyeglass ear grips ensure a perfect fit, are not easy to slip off, provide a comfortable and painless feeling, are small are almost invisible, suitable for work, daily wear, and outdoor activities.