All stainless steel! Just put it on! Eyeglass holder necklace, glass holder, long necklace, sunglasses, eyeglasses, unisex, bi-color *It's also lovely to use as a necklace. 【Size】 ◾︎Chain Length: Approximately 78cm ◾︎Chain Width: Ball chain approximately 3mm, Long Azuki chain approximately 7.1mm *1cm added for an additional 20 yen. Please comment if you wish to add length. 【Material】 All stainless steel Thank you very much <(_ _*)> #LongNecklace #EyeglassHolder #GlassHolder #Unisex #BiColor