・ The three-dimensional lattice gel absorbs body pressure and provides firm support. Excellent breathability, and both the cover and inner material are washable. ・ Pressure distribution, high breathability, and machine washable. ・ Provides the highest level of comfort, even after prolonged use, reducing fatigue. ・ High durability for long-term use. ・ Keeps you feeling fresh and clean at all times. ● Size: Width 40 x Depth 40 x Thickness 7cm ● Weight: 2.2kg ● Materials: Body: Thermoplastic elastomer, Cover: 100% Polyester ● Country of Manufacture: Japan (Cover: China) ★ Although there are black stains on the gel inside, we will ship the product after washing both the cover and the inner material.