I purchased this in June of this year, but it didn't suit me, so I'm selling it. I used it for about 3 days. I used it with a cover, so I don't think there are any noticeable stains. There is one loose thread in the 18th image. Because of its size, I may compress it slightly for shipping. Thank you for your understanding. 【Product Description】 For those who want to "sleep soundly and wake up refreshed." ▼ Do you experience these things? ▼ "Using a PC or smartphone in the same position" "Tension from work stress" "Disruption of the autonomic nervous system" "A pillow that puts a strain on your neck" Do you have chronic stiff shoulders and neck? If you can't fall asleep even when you want to, the pillow may be the cause. With the "Blissful Melting Pillow," you can expect to improve stiff shoulders and neck by guiding you to the correct sleeping posture!! 【Reduces neck strain with the correct sleeping posture】 With the uniquely developed 4D structure, your head, neck, and shoulders are stabilized, guiding you to the correct sleeping posture. 【Also effective for stiff neck, shoulders, and straight neck!】 It ensures a natural curve from the head to the shoulders, so it is also recommended for those who suffer from stiff necks, shoulders, and straight necks. By filling the gap between the neck and the futon, the strain on the neck is reduced. 【Suitable for any sleeping position】 Supports sleeping on your back, side, and stomach. ▼CHECK! Side sleeping: The height is set on both sides to match the shoulder width, so you can turn over without putting pressure on your shoulders. Stomach sleeping: By turning the pillow over, there is a groove to rest your hands, making it more suitable for stomach sleeping. 【Excellent breathability】 The sides of the cover are made of mesh material, so breathability is also excellent. It releases moisture and provides comfortable sleep. 【The cover can be removed and washed】 The cover can be removed and washed, so you can keep it clean. (※The pillow itself cannot be washed) The cover can be easily attached and detached with a zipper.