10/20pcs Silicone Glasses Anti-Slip Cover Temple Tip Glasses Ear Clip Grip Holding Product Information Soft and light, comfortable and safe. Secure your glasses and sunglasses during use . Easy to install and use, suitable for sports & activities,effectively stops eyeglass slipping. Fine workmanship,high quality silicone anti-slip holder for the eyeglasses, ear hook. Be used to make your glasses a better fit and stop them slipping down to your nose. Material : Silicone Size: 33MM*11MM (suitable for 4- 12MM temples) Package included: 1/10/20 pairs of Silicone glasses ear hooks (anti slip) Note: Please allow 2-3 cm difference due to manual measurement. Besides different computers display colors differently, the color of the actual item may vary slightly from the below images, thanks for your understanding(1 inch = 2.54 cm)