● Size: Width 40 x Length 40 x Thickness 4 cm ● Weight: 420g ● Materials: Cover: 100% Polyester (Mesh cover), Core: 100% Polyester (Happy High-Resilience Cushion) / Urethane foam ● Country of Origin: Japan ● High resilience, excellent breathability and heat retention, washable, antibacterial treatment, lightweight, ecological material Product Description ・ Two-layer structure of high-resilience and smooth-touch urethane. ・ Urethane provides a gentle touch, and high resilience lifts from below. ・ A cushion that combines softness and firmness.