GMS Anti-slip Eyeglass Retainer Sleeve Keep Glasses From Slipping Temple Tip Ear Hook Rubber Grip Eyeglasses Holder Premium Silicone Clear Comfortable Sports Eyewear Aid Stop Spectacles Slipping 1 Pair Authentic GMS Optical Temple Tips - Premium grade silicone specially made only for GroupMedShop Keep glasses from slipping while adding comfort - barely noticeable when worn Price is for 1 Pair of Clear Anti-slip Ear Hook Eye Wear Retainers Long lasting extra durable silicone - Reuse them over and over Easy to put on - just as easy to remove - and fully washable