Shallow fill tube bed system No heater required Soft side inner foam frame gives comfortable sitting and sleeping edge Reversible Pillow top 2.5” Soy Foam Pad with Organic Cotton Non-Quilted Stretch Cover Allows No Toxic Flame Retardant Chemicals Required Complete system includes everything you need: Top unit, mattress, heaters, fill & drain kit, waterbed foundation, and 9 leg heavy metal bed frame