... 4.Environment-friendly 5 UV resistant floating bridge,ocean pontoon,floating pontoon,floating dock,pontoon,modular float systerm,pontoon systerm ... dock,pier,fish farm,breakwater,walk way,pontoon bridge,fender,swimming pool and so onWeight:7kgs(±5%)Buoyancy: 350kg/ m2Material: high ... like with conventional wood or metal construction. ◊ Quality WarrantyWe assume the company of floats and connecting ...