Also available in different colors. Plated. Purchased from a general store. I am unable to answer any further questions regarding the length of the necklace or the specific materials used. Due to home storage, If you are concerned, please purchase from someone else. 100 yen discount for combined shipping with other items. (Excluding accessories) When combined with accessories: 50 yen off per additional item (2 items total) 100 yen off for 3 items (4 items total) 200 yen off for 5 items (6 items total) Please comment if you would like to combine shipping.