A Unique Construction Of High Resilient (hr) Molded Foam Provides Optimum Stabilization Position Pressure Reduction And Seating Posture Designed For Clients Who Are At Low Risk For Skin Breakdown Stretch Polyester Knit Cover Is Removable Washable And Flame Retardant Cover Has A Non-slip Bottom For Comfort And Safety. Weight Capacity: 250 Lbs 1 Year Limited Warranty On Cover And Cushion