Free Flow Full Motion Premium Waterbed Bundle Package Cal King (72x84) Cal King (72x84) Waterbed Mattress Hardside Style Premium Package Includes: Promax Liner, Heater, Fill & Drain Kit, Mattress Pad and Conditinoer High quality vinyl construction with reinforced corners. Will last for year, worry-free and leak free An affordable bed option that will work with your existing wooden harside waterbed frame