... free 4.Environmentally friendly 5.Easy installing plastic pontoon Manufacturers Specifications: Dimension: 500mm×500mm×400mm(L*W*H) ... orange, blue, gray, blackLoad Capacity:each one square meter is made up of four pontoons, top load is ... lake’s dock is not less than 30 square meter; the area of stage is not less than ... 100 square meter.Anchoring:1.If water is less than 3m ...