Upgrade Material: stainless steel, High quality long-lasting, not easy to fade, better than other alloy/metal material. Total length: about 78cm. Anti-slip Buckles/Adjustable Loops: This eyeglass chain both ends have adjustable loops with metal coils. Easy to install and remove. The anti-slip silica gel buckles can prevent the glasses falling down. Will never lose your glasses again. Multi-functional Chain: The classic color matches most kinds of glasses. Not only they can be a eyeglass chain, but also a fashionably decorative necklace chain. Remove the silica gel ends, it is a stylish necklace. You can easily pair them with the eyeglass case, purse, coin bag, back bag, etc This glass chain has a very stylish design and light weight and it looks soo cute and delicate. Not only can they be a eyeglass chain, but also a fashion decorative necklace chain.