This is a donut cushion. Features: High resilience Color: Gray Size (approx.): 39cm long, 32cm wide, 6.5cm thick Weight (approx.): 380g Care instructions: Removable and washable cover Material of the filling: Polyurethane foam Shape: Oval I bought this last fall before giving birth, used it for a few days after giving birth, and have been storing it at home. The cover has been washed once. I will ship it via Rakuraku Mercari.