Keepons Anti-slip Eyeglass Retainer Sleeve Premium Grade Silicone Anti-slide Stay Put Temple Tip Removable Ear Hook Lock Comfortable Rubber Glasses Holder Sunglasses Sports Stop Slipping Grip Spectacle Eyewear Aid (All Clear, 3 Pairs) Model: KPNS-ALLCLR Misc.

Just thread them over your temple tips and they gently hook over your ears to stop your glasses from slipping. Keepons makes several styles of eyeglass retainers. Keepons Lite series: inexpensive but they work. Keepons Original series: emphasizing comfort. Keepons Superior series: emphasizing performance. Keepons Superstretch series: performance for wider temple tips such as those found on chunky frames and sunglasses. READ BEFORE YOU BUY: To avoid buying Keepons that are too small or too big for your particular eyeglass frames, please visit the link below. It will take you through the process of measuring your eyeglass temple bend and temple tip and match those measurements to the correct Keepons to buy. The whole process takes less than a minute. Please scroll down to the bottom of the page to the section entitled Which Keepons to Choose. http://www.amazon.com/gp/aag/details/ref=aag_m_as?ie=UTF8&asin=&isAmazonFulfilled=1&isCBA=&marketplaceID=ATVPDKIKX0DER&seller=A2UB1M927IZI07 Alternatively if you find the above explanation too confusing, we've also put out a Youtube video called WHICH KEEPONS TO CHOOSE. Amazon discourages links to external sites for security purposes, but should you need to, you'll be able to find it easily using Youtube search. This is a value bundle which includes one pair each of the Keepons Lite Clear, Keepons Original Clear, and Keepons Superior Clear.