Furthermore, Thubing facility varied by the number of passengers, it can be for two people or four people. Therefore, the number of passengers on the right side and left side of the boat should be the same. These to keep the balance when a speedboat pulls the inflatable raft. The distance between inflatable rafts to speed boat is about five meters. For one round of this game lasts about 15 minutes. The tools used such as inflatable rafts, speedboat, life jacket used by each passenger and the guide must meet international standards. Due to the comfort and safety of riders are the top priority. Before the rolling donut Bali game begins, the guide will be happy to give directions, explanation on how the tools used, what to do while on the boat, how to secure yourself if you dropped from the vessel, and other things for the sake of safety.