Zabuton Cushion for Cultivating Good Posture: P!nto Color: Brown I purchased this on Amazon and only used it for about 10 minutes. It's in excellent condition, with the original luster still remaining. It was too soft for me, so I'm selling it because I'm replacing it with another one. The instruction manual is missing. - Design & Styling - ● Simply place it on your usual chair or sofa to improve your posture. ● It looks like a floor chair and blends well with your interior decor. ● Developed by an occupational therapist who is well-versed in how the human body moves. ● Guides you to the correct posture just by sitting on it. ● Works not only on home chairs but also on office chairs and car seats. - Materials - ● 3D shape that fits the body's lines. ● The cover can be removed with a zipper and washed in the washing machine. - Functions - ● Keeps your back straight and allows you to maintain a natural and comfortable posture. ● Guides the pelvis to a position that prevents tilting, providing the correct positional information for maintaining good posture. ● Prevents unnecessary tension in the legs and provides information to keep the thighs in the correct position, making it easier to move the hip joints. ● Width: Approximately 43cm, Depth: Approximately 43cm, Height: Approximately 38cm ● Product weight: Approximately 900g ● Main materials: Core: Polyurethane HR foam, Cover: Polyester ● Machine washable (cover only) ● Made in Japan ● Regular price: 14,850 yen