【Name】Anti-Slip Glasses Chain 【Material】Metal [Foot Cover Material] Silicone [Color] Gold [Length] Approximately 70cm excluding both ends; due to handmade craftsmanship, there will be a 1-3CM error.Please be cautious when purchasing [Weight] Approximately 18 grams [Features] High-end Anti-Slip Glasses Chain, Fine Workmanship, Comfortable and Safe, Good Electroplating Texture, Fits on the Temple of Glasses to Prevent Glasses from Slipping During Exercise, Suitable for Matching Various Glasses and Clothing, Can Be Removed and Worn on Chest, Whether for Sports, Travel, or Attending Banquets, It's Your Favorite Glasses Companion. [How to Use] First, slip the rubber rings at both ends of the glasses chain onto the temple arms, then use the metal clips on the rubber rings to hold them against the temple arms and secure them.