Cāblz Silicone: 100% Silicone adjustable eyewear retainer available in Black with XS ends with one universal length comparable to our 16”. SKINNYZ feature an extra small end that is perfect for smaller end frames and some reading glasses. The Cāblz Silicone Adjustable are designed to be worn full length or can be adjusted for maximum comfort and versatility! Tip: Use an alcohol-based hand sanitizer to apply Cablz to your eyewear for easy application and secure fit.