Target Features include tropical fish, hermit crabs, reptiles, amphibians, etc. ● This small shelter is made with natural palm holes and processed. It is not only a shelter, but also a great egg bed for cave pawners, including apists. In addition to tropical fish, it can also be used for crustaceans such as hermbers, small reptiles and amphibians. Pre-boiled so you can set it in your aquarium immediately with simple water washing. Quantity: 1 piece; Size (approximate): Diameter 5.9 x Height 2.0 inches (15 x 5 cm) (Because it is a natural material, there may be some variations in size. Thickness: 0.1 - 0.2 inches (3 - 5 mm); Note: This product is a random product. Please note that you cannot specify the shape. Due to natural materials, there may be variations in shape. Please note that there may be cracks or cracks depending on the product. When using, please wash it lightly with water.