These are 2.3x2.3x6.16" boxes which work great upside down for an extra tall Aviculariianae species sling enclosure.
Our ventilated versions have a single 1" Screen vent available in 4 different colors. We also offer the unmodified box for those who wish to create their own ventilation.
Aviculariianae refers to the subfamily of tarantulas which contains the following genera:
Avicularia, Caribena, Iridopelma, Typhochlaena, Pachistopelma, and Ybyrapora.