Similar to fiberglass hulls, that has been around for approximately 40 years has been proven to be watertight, secure and highly dependable when there exists bad weather.
It started as an experiment when boat makers gone from wood hulls to the production of basic fiberglass hulls and has since gone on to using more exotic blends or composites of constructing products to provide quality hulls. In mixing plastic resin along with fiberglass has developed the desired safety and stability in hulls also.