Wise Coolride Boat Seat with Mesh Cushions State of the Art Hi-Impact Plastic Seat Frame Ergonomic Design for Maximum Comfort Cool Ride - Heavy Duty Mesh Seat Panels Mounts to any BIA Standard 5 1/4 in. Pedestal or Mounting System Height: 22 in., Width: 21 in., Depth: 21 in., Seat Depth: 17.5 in