Pink Princess Castle Aquarium Decor – Safe Resin Hideout Turn your aquarium into an enchanting undersea kingdom with this Pink Princess Castle. Made from aquarium-safe, non-toxic resin, it is suitable for all freshwater and saltwater tanks. The hollow interior provides a secure hiding place for bettas, shrimp, cichlids, and other small fish, helping them feel safe and reduce stress. With a compact size (4.33” tall), it fits perfectly in small to medium aquariums without taking up too much space. Beyond the tank, it also serves as a charming decorative piece for shelves, desks, or party tables. Create a beautiful and relaxing environment for your fish with this lovely castle decor.