Product Description         High back ergonomic design: esigned with a much higher back for added comfort,ergonomically design fits your body’s contour completely. High density foam filler:The seat is filled with thickened ultra-high-density sponge has good rebound and can perfectly fit the curve of the body. Waterproof fabric: Waterproof fabric surface which can withstand long-term rigors marine environment. Wet the surface just wipe, easy to clean. Easy to Fold: The aluminum hinge design makes it can smoothly flip up the backrest when needed for a comfortable seat, and fold it down to create more space when not in use. Easy to Install: We provide detailed illustrated instructions to allow you to quickly complete the assembly.What’s more, it’s compatible with the universal 5 “5” boat type