Solid 1 piece construction. Flat bottom makes it stand steadily in your aquarium. Make sure use the sandpaper to smoothen the edges and soak the decoration for at least 24 hours in the sink. The natural and detailed resin hollow tree trunk ornament with bark pattern is great for small betta, cichlid, lizards and turtles. Make the tank look realistic and add much fun for the fish. Measure 21x13x9cm. Recommended for 10 - 70 gallon fish tanks or large fish bowls. Great for aquarium decorations, model making, terrarium, miniature garden and marine aquariums. With 5 entry/exit caves for fish to enjoy. Each hole is about 1.2 to 3 inches which are fabulous sizes for small fish to swim through. Made of durable resin material and its natural brown color is vivid and not washed out. Perfect piece to be added to salty or fresh water tank. ;Delivery quantity: 1 piece