Purchased in October 2025 and used only once in a gymnasium. Afterward, it was dried in the sun for a day and stored at home. Quoted from the official online store below: 8800 yen Product Size (approx.) Used size: Width 80 x Length 190cm Storage size (approx.) Outer diameter 14 x Height 27cm Weight (approx.) 800g Material (Quality) Outer fabric: 100% polyester, Lining: 100% polyester, Filling: 100% polyester (microfiber) 200g, Bag: Polyester Specifications / Others Estimated usage temperature: Approximately 12°C~ Production area: China Uses warm microfiber for the filling! Made with ultra-fine polyester fibers, it is softer and has higher heat retention than conventional hollow fiber, and can be stored compactly.