Features:Easy to adjust: Use the adjustment buckle to adjust the length at willSuitable for various scenarios: can be used for mountain climbing, surfing, playing ball, skiing, and cyclingStylish and comfortable to wear: multiple colors to choose from, simple and elegantSuitable for a variety of temples: elastic silicone sleeve, moderate opening sizeConvenient and safe: Designed for people who often forget or lose their glasses, it can help you keep your glasses by your side, so you no longer have to look for them everywhereNotice:*Actual color may be slightly different from the image due to different light effect*Please allow 1-3cm deviation due to manual measurementDescription:Material:Silicone, MetalSize:35CMTelescopic Range:20-35CMSuitable For Temples Above 5MM