Stretchy, low-profile, water-friendly, and UV resistant, the Slim retainer is full of features that make it an easy choice for any environment. Choose from a variety of futuristic neons and fades so you can add a fun pop of color to your adventures while keeping your eyewear ultra-secure. The sliding bead adjusts for your perfect fit so you'll never lose your sunglasses again and you'll look good doing it! Sleek, minimalistic design Made from lightweight, stretchy silicone UV and corrosive resistant Sliding bead adjusts tension and fit Fits a wide variety of frames Length: 19.5"