This 3 in 1 cave can be filled with Terrarium Moss or Eco-Earth to provide a humid microclimate for shedding, hiding, or egg laying. Durable resin construction means that it can easily be washed and sterilized, and the removable lid makes it easy to check on your animals or remove eggs. Available in three sizes to accommodate many popular reptile species. Excellent as a hiding shelter for adult Ball Pythons.