Leader Accessories Deluxe Bucket Sport Boat Seat Big Sale!!!! The Finest Marine grade Vinyl with mildew resistant and UV treated Stainless Steel Fasteners and Rigid plastic backrest Seat Dimension: 25.5H x 26.5D x 22.5W Work with both standard 5 x 12 bolt pattern for sliders or 5 x 5 bolt pattern for swivels