WISE 8WD1217 Series Modern Bucket Seat with Flip Up Bolster Cruiser/Run-A-Bout/Ski Boat Bucket Seat with Flip-Up Bolster; Folds up to act as a leaning surface High Impact Rotational Molded Plastic Frame, Compression Foam Padding Heavy Duty 28 oz. Soft Touch Marine Grade Vinyl is Mildew Resistant & UV Treated Includes Mounting Plate WD399-1, Mounts on any flat surface or any 4 bolt BIA pedestal system Seat Dimensions - Height: 24.25", Width: 24", Depth: 24", Seat Depth: 19.75"