100% silicone Imported Keep Your Glasses Close - Everyone's got a favorite pair of glasses. Don't lose yours! The Switchback Eyewear Retainer fits snugly around your eyeglasses, keeping them where glasses should be - near you Fits All Frame Sizes - Dual attachment ports at the temples fit a variety of eyewear frame sizes, with the top port fitting smaller or wire frames, and the bottom port accommodating standard or larger frames. Multiple attachment options make the Switchback perfect for any type of glasses Durable Silicone Construction - Crafted from high-quality silicone, the Switchback Glasses Strap is UV and corrosion resistant, able to stand up to every ocean-bound, river-side adventure. Get messy out there? No stress. Simply wipe the retainer down and be on your way Lightweight & Comfortable - The one-piece, molded design won't cause irritation, and weighing in at only 0.5 oz, it won't weigh you down either Lifetime Warranty - Since 1983, Chums has been trusted by millions to protect their gear. All Chums products are high-quality, designed with you in mind, and come with a lifetime warranty against manufacturer defects