I used this pillow for about a month after purchasing it, with a cover on. However, it felt a bit too bulky for my small frame, so I'm selling it. Showa Nishikawa Down Pillow Luxury Pillow SUYA-LAB M size, approximately 63 x 43cm Pattern name: SU9910 It's an expensive item, and the outer fabric is made of high-quality extra-long staple cotton, which feels great. Since it's a down pillow, it puffs up when you air it out, but it gently and softly cradles your head when you lie on it, providing a luxurious feel, just as the name suggests. The retail price was around 20,000 yen. Anonymous shipping available. Instant purchase OK.