The Millennium Marine PRO-M 200 Casting Boat Seat has a unique design with lumbar support that allows hours of comfort while sitting. This seat is made of a durable, heavy duty, anodized aluminum frame that is designed to stand up to the rigors of daily use in a saltwater environment.Note: Packaging only includes the seat. No seat plate or pedestal. Bracket under frame is standard four bolt pattern. FeaturesNo plastic componentsUnique design with lumbar support allows hours of comfort while sittingHeavy duty, anodized frameBreathable fabric allows you to stay cool1-Year warranty with Millennium MarineMaterial anodized aluminum