Adjustable Height and Improved Comfort,Our seat offers adjustable height ranging from 13"-19" with 7 lock-in positions. This allows you to easily adjust the height of your seat using a single lever, enhancing your visibility and providing superior comfort on the water. Strong and Durablity Material with Long-lasting Finish,Crafted from anodized aluminum, our seat is built to last. The smooth, thick wall and polished finish not only provide durability but also offer a corrosion-resistant feature that saves you money and the hassle of frequent replacements. Sturdy Base for Maximum Support,Our seat features a 9" diameter base with 2-7/8" diameter holes. This provides a strong and sturdy base that can support your weight and withstand shocks from waves, ensuring the safety of your knees and back by reducing the risk of injuries.