【Name】Anti-slip Eyeglasses Chain 【Material】Acetate 【Template Material】Silicone 【Color】As shown 【Length】Approximately 80cm excluding ends; due to handmade production, there may be a 1-3cm error. Please consider carefully before purchasing if you mind! 【Weight】Approximately 15 grams 【Features】High-grade anti-slip eyeglasses chain, finely crafted, comfortable and safe, with a good electroplating texture. It is worn on the temples of eyeglasses to prevent them from slipping during exercise. Suitable for matching various eyeglasses and clothing, it can be easily removed and worn around the neck. Whether for sports, travel, or attending a banquet, it is the perfect partner for your favorite eyeglasses. 【How to Use】First, put the rubber rings at both ends of the eyeglasses chain onto the temples, then use the metal buckles on the rubber rings to secure it to the temples.