Product Name: TAO Necklace α ARAN (Aran) Classic Gold Product Number: ABARD Applicable Sizes: M (43cm), L (47cm), LL (51cm) This listing does not include the main body of the medical device; only the top part shown in the product images will be shipped. (With a bonus item) Purchased at the end of last year, used for about two weeks, and then stored in a cool, dark place. Please consider this item.