"Always comfortable, always secure." Free yourself from the stress of slipping glasses! ○ Brand new, unused. Immediate purchase OK! Made of soft, stretchy silicone material, it gently fits around your ears. The black color blends naturally with any style, whether business or casual. With a set of 4, you can share with family and friends! Size: Approximately 55mm x 7mm Weight: 1.6g (per piece) Quantity: 2 sets of black (4 pieces total) Material: Silicone 1900