・ Proof of purchase paper included ・ Purchased in 2022, this item is no longer sold, so details do not appear when searching the product ID. ・ I believe I wore it about 15 times. There are no noticeable stains, but please refrain from purchasing if you are sensitive to such things. ・ I will wrap it in bubble wrap and ship it in a reused paper bag via Takkyubin (anonymous shipping).