This Zoo-Med Repti Shelter 3in1 Cave - Small 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 sterilised, and the removable lid makes it easy to check on your animal or remove eggs. Available in three sizes to accommodate many popular reptile species. Size = 6″