Of the three that I ordered, only one had the insulation panels; I called customer service and was initially told to just go buy some Styrofoam and cut it to size! Veradek ended up mailing some, and I'm so pleased with the planters that I'm giving them 5 stars. I promptly placed them to flank my front door and garage door. They oxidized nicely even though they are under a 2' eave. To avoid rust stains on the drive, I placed an inexpensive 12"x12"x1" stepping stone under each planter.