... basic unit of any floating construction. floating dock system,ocean pontoon,floating pontoon,floating dock,pontoon,floating bridges,floating systerm,pontoon systerm,marine ... ,fish farm,breakwater,walk way,pontoon bridge,fender,swimming pool and so onWeight:7kgs(±5%)Buoyancy: 350kg/ m2Material: ... firmly with special connecting pins. All parts are light weight and easy to handle.3.and UV resistantOcean ...