Package Included: 1*mask chain Specifications: It is both a mask rope and a glasses chain Simple design and easy to use Made of high-quality Acrylic Anti-slip, anti-lost Description: 【Material】Acrylic [Length] Approximately 55cm including both ends; due to hand-made, there will be an error of 1-3mm. Shoot carefully! 【Weight】Approximately 8 grams [How to use] Put the rubber bands at both ends of the glasses chain on the temples first, and then clamp and fix the temples with the metal buckles on the rubber ring. When used as a mask chain, just remove the silicone buckle.