Size: 13.5x13.5x16cm Net weight: about 309g Rugged one-piece structure. The flat bottom makes it stand stably in your aquarium. Make sure to sand the edges and soak the decorations in the sink for at least 24 hours. The vibrant resin coral cave decorations are perfect for nanobetta and guppy. Make the tank look more colorful and add a lot of fun to the fish.