This is a set of three items: ① a donut pillow, ② an insert, and ③ a pillowcase. *Instructions etc. will not be sent. Items ① and ② were purchased on Amazon in May 2025 and used for two weeks. Item ③ was purchased from the official shop in March 2025 and used for three months. Used for about 15 hours a day, continuously while sleeping. Compared to new, the cotton in the neck area has flattened, but it is still usable. The pillow is hand-washable, but it has not been washed even once. *Because I saw reviews saying it would lose its shape. ⚠️ It will be temporarily compressed during postal delivery. Please be aware of this.