Fortress (Custom Type I - Grey 2) keeping ants please select "Standard Foraging Style"

please select "Standard Foraging Style"

What does add a second side mean

Lid for container

Top Foraging Area

"Bottom-Up" design - Both the Fortess and the Stronghold formicaria were planned so as to have a different arrangement of their nest and foraging area

Fortress (Custom Type I - Grey 2) keeping ants please select "Standard Foraging Style"This product is available for immediate (next business day) shipping. See this fortress link for more information about this formicarium. Features: Grey Exterior, red interior Type I material Small Medium sized tunnels and chambers Woodland foraging area decor Museum Glass Optional 95% glare reduction (Shown in photo) Removable Vent optional What comes in the box? Fortress formicarium (as seen in photos), nestmate, mini liquid feeder, 2 stoppers,