The aquarium decoration is hollow, with a solid base to allow the free movement of small fish and shrimp inside. Your adorable betta or other small fish will love going in and out of tree trunks, sleeping, resting, hiding, playing and breeding. The aquarium is decorated with colorful worn holes, this decoration Driftwood artificial resin aquarium tree is so realistic that it looks like a real cave hidden in the aquarium. Our aquarium decorations are made of eco-friendly resin and are suitable for aquariums fresh water and salt water. Create a healthy environment for your fish. Decorative aquariums are perfect for aquariums and aquarium decorations that will last a long time in the aquarium. Can be given as a gift to lovers, family or friends who have an aquarium, especially for those who also like DIY and home decoration. illustrate: Material: environmentally friendly resin Tree hole: 17*8*5cm Note: Because this aquarium decoration is made of resin, there may be a slight odor. Rinse the product with cold water for 15 to 30 minutes before use to clean and reduce this smell, making it more realistic.