Naturalistic appearance of natural Rock blends in with terrestrial or aquatic environments | Natural hiding, shedding and egg-laying environment for reptiles. Very stable, not easily tipped over by larger reptiles | Provides privacy, Prevents and reduces stress. Provide a humid microclimate for shedding, hiding, or egg laying | Suitable for small,medium reptiles,amphibians, or even as a hamster house, or fish shrimp shelter, or just as turtle tank, reptiles tank decoration. | You can choose the specific size for your pets according to their sizes. The medium size is 10.8 x 10 x 7.5 inches.