Fortress (Type III)(Dark Blue 6328) custom formicaria What does add a second

What does add a second side mean

Terracotta Exterior Color (Sand Interior)

I would recommend a medium sized nest for them because the chambers and tunnels for the Pioneer are larger on average than  some of our other nests

NEW FEATURE:  Vermiculite Interior - Naturalistic in feel and look

Fortress (Type III)(Dark Blue 6328) custom formicaria What does add a second*****This is a Black Friday Cyber Monday Formicarium***** ***Please NOTE: You are ordering the formicarium in the photos on this page.*** See this fortress link for more information about this formicarium. Features: Type III material Decor and Color per photo 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,