Ship Launching Airbags, also known as inflatable marine airbags, roller bags, air lift bags, and salvage bags. Airbags range in size from 0.8 to 4.0m diameter, with effective lengths of 5.0m to 26.0m.. Airbags are used for ship launching, haul-outs, loading, and floating. They are widely used in cargo boat launching and landing, lifting and moving sunken ships, and salvaging stranded boats. Air bags have the benefit of not only saving labor and time, but investment costs. Additionally they are flexible, portable, and dependable, the biggest vessel launched by ship launching airbags up to 100,000 DWT. Ship Launching Airbags are made of heavy-duty synthetic-tire-cord layers with inner and out rubber layers in long cylindrical balloon shape. Ship launching relying on ship launching airbags is a an extremely promising mature technology, comparing with â??end-on launchingâ?�, â??side ship launchingâ?�, â??float-outâ?�, this ship launching technology overcomes the restrictions of fixed launching track of side-launch. Ship launching airbags are accepted by more and more shipyards world wide.