plastic pontoon advantages: Easy&quick to assemble Durable&Tough&Stable ... floating bridge, Catwalk, jetty, PWC dock, motor-boat dock, boat dock,floating wooden house, plastic buoy, sunny pad, platforms for water, ferry, ... as well as aquaculture net cage.Feature & Value of this plastic pontoon:1.Size (length*width*height)Size of #1 pontoon ... , while with #2 pontoons it can load 4 pcs. plastic pontoon