1. Realistic Cave : This is a fish tank decorations imitating broken ancient clay pots, as shown in the painting, the image is realistic and beautiful, they can seamlessly integrate with any fish tank, perfect for fighting fish, shrimp, and other small pets to rest and play inside the clay pots to breed and entertain, etc. Very popular with ornamental fish lovers. 2. Excellent hiding place : The spacious interior is an excellent hiding place for all kinds of aquatic pets. Most small fish can pass through and swim and play in and around it, which greatly helps reduce boredom and stress. 3. Size : The size of the ancient clay pot is about 5.75.17.9 inches (LWH) and the size of the left and right holes is about 31.5 inches. So it can easily fit in almost any household fish tank. No matter the size, it is the perfect choice. The decoration is designed with a flat bottom, so once you put it underwater, you don't have to worry about it floating around. 4. Product materials : The antique clay pot ornament is made of resin material that is for both freshwater and saltwater aquariums. The material is non-toxic, non-polluting, non-breakable, non-staining, stable, non-fading, no special maintenance, easy to clean and can be stored permanently. It does not affect the pH level in the tank and is very for both fish and reptiles. More than enough.