... , motor-boats, ferry, floating bridge Pontoon Features:Colors: Blue,Orange, Red, etc Weight: 7kg/pcBuoyancy: 350kg/ m2Material: HDPE with UV Size: L ... , anti-oxidation, anti UV, it will not be eroded by sea water, chemicals, medicines, oil stains, water-based creatures. It ... . Working platforms for industrial/public/military constructions.7. Fish culture net cage, outdoor fishing platform,etc Pontoon