Proof Load Testing Weight Bags ,which could use for the Totally Enclosed Lifeboat and Rescue Boat,Free Fall Lifeboat,Partially Enclosed Lifeboat,Use the water weight bags to instead of the same weight of persons capacity of 82.5KG/Persons, and also used for the related lifeboat davits and cranes, Our company could offer the water bags with the capacity of 1MT, 2MT, 5MT, 10MT, 20MT, 25MT, 35MT, 40MT,50MT&100MT with good price and quality from BV Society.