Soft Silicone Eyeglasses Temple Tips Sleeve Retainer, Slip Proof Elastic Comfort Glasses Retainers For Spectacle Sunglasses Reading Glasses Eyewear Slip Proof: You can easily mount the slip proof strap on your glasses legs and wear it on your head, to well keep your glasses from falling. Fine Material: soft quality silicone material which will not turn yellow or get harden. It will not cause ears allergy or get ears uncomfortable , providing you with extremely comfortable wearing experience. Application: Suitable for different kinds of occasions. You can experience the convenience they bring to you, during your working time, daily life or outdoor sports. They will effectively keep the glasses from sliding for safe eyeglass wearing. Color: black+gray Delivery Quantity: 10 Pairs Warm prompt: 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering. 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding 3. Only the above package contents, excluding other products.