Item quantity: 1 Item dimensions: 46 Length x 37 Width cm About this product [Ergonomic and Comfortable Seating] This U-shaped memory foam seat cushion features an innovative 3D design that perfectly conforms to the curves of the human body, maintaining a comfortable posture even after prolonged sitting. The unique U-shaped opening precisely avoids the pressure zone around the tailbone, and when combined with memory foam, it evenly distributes weight, effectively reducing fatigue from long periods of sitting. The flexible material provides moderate support, offering a cloud-like comfortable seating experience whether you're in the office, driving, or at home.