Terrific replacement seats for your fish or ski boat, these plush Premium Bucket Boat Seats offer long-lasting comfort and functional styling. Built on sturdy rotationally molded plastic frames, and equipped with resilient, high-density foam padding to ensure that you?ll enjoy maximum comfort for years to come. Designed to provide superior lumbar support, these seats sport stylish, heavy-duty 28-ounce O.E.M marine vinyl upholstery that?s been specially treated to resist mildew and color-zapping UV rays, these seats are designed to provide superior lumbar support. For easy installation, a Wise Universal Mounting Plate is included. Seats measure 19-1/2''H x 20-1/4''W x 23''D. Wise Premium Bucket Seats feature a six-year manufacturer's warranty on the frame and a three-year manufacturer's warranty on upholstery.