The Exo Terra Wet Rock offers your reptiles, amphibians or invertebrates a secure place to hide and sleep, while the moist microclimate will support thermo-regulation, hydration, and aid the natural shedding process of reptiles. The unique hygroscopic properties of the ceramic material regulate the cave's humidity and temperature in a natural way by absorbing and slowly releasing moisture from the water reservoir. Adequate air humidity levels create a healthy environment and help prevent respiratory infections.