Wise 8WD1217-13-784 Razor Style Flip-Up Bolster Bucket Seat with Air-Powered Adjustable Height Pedestal, White Cruiser/Run-A-Bout/Ski Boat Bucket Seat with Flip-Up Bolster and Air-Powered Adjustable Height Pedestal High Impact Rotational Molded Plastic Frame, High Compression Foam Padding Heavy Duty 28 oz. Soft Touch Marine Grade Vinyl is Mildew Resistant & UV Treated Heavy Duty Mainstay Pedestal 2 7/8" Outside Diameter, with Air-Powered Height Adjustment from 14" to 20" Seat Dimensions: 24.25"H x 24"W x 24"D, Seat Depth: 19.75"; Post Height: Adjustable 14"-20"