Urethane foam cushion, optimally designed for wheelchairs. Made of a non-membrane material, it has excellent breathability and water permeability, allowing for hand washing with the cover on. The cover is easily removable. The two-layer structure features a low-resilience cushion to distribute body pressure and a high-resilience cushion to stabilize the body. The bottom of the cushion has a non-slip treatment. ＜Materials＞ Filling: [Top] Low-resilience urethane, [Bottom] High-resilience urethane Cover: Polyester [Non-slip silicone treatment on the bottom] Size when in use: Approximately W40 x D40 x H6cm Weight: Approximately 450g