Wise Blast-Off series is bulit with OEM standards, materials, and quality to ensure the replacement seats for your Bass or Walleye Boat equal or exceed your original seats. Double Top-stitch design, premium high compression foam padding, 28oz marine grade UV and mildew treated vinyl, OEM grade marine frame systems. High Back seat comes with Aluminum Piano hinge to mount to flat surface or any Pedestal system. Strong OEM aluminum hinges. 6 year frame and 3 year upholstery warranty. H 21.5" x W 17" x D 19"