Crochet eyeglass chain with gunmetal-colored jeweled yarn & colored crystallines. The hooks are made of silicone. Chain length (hook to hook): 70cm 4 mm colored crystals Le Ottine are handcrafted chains made with love & for this reason, they must be treated with care: Try not to wear it while bathing in the sea and/or in the pool Try not to wear it during sports Try not to pull the cord too hard (it is a very strong yarn … but still a thread) N.B. Metal-free accessory Nickel FREE Crochet Eyeglass Chain With Colored Crystals | Le Ottine Handmade in Rome