MUYG Aquarium Resin Castle Decoration,Ancient Design Fish Tank Ornaments Betta Hideout Stone Cave Accessories for Shrimp Turtle Guppy Crabs (3Pcs) Resin material used for aquarium decoration, the material is non-toxic, no pollution, not easy to damage, no special maintenance requirements, will not cause harm to your pet. A description of the decoration of an aquarium castle： Aquarium castles are made of high quality, non-toxic, non-polluting and safe for fish and both fresh and saltwater aquariums. The product may smell a little when it reaches your hands, you can wash it and let it dry for a few days. The aquarium ornament measures 7.5x3x5.5in/19X8X14cm. It also includes a purple water plant and a green water plant, with a size of about 7.9in/20cm. ​In case the castle hole doesn't match the size of your pet fish, please pay attention to the size when purchasing. The mossy decor of the abandoned castle makes it look old and medieval. Your fish will love resting on it. The castle has three entrances and exits where your fish can play and rest or spawn! Note： 1.Please confirm if the product size is suitable for your fish tank before purchasing！ 2.Due to differences in monitors, there may be color differences in the product. Thank you for your purchase and support! Note： 1.Please confirm if the product size is suitable for your fish tank before purchasing！ 2.Due to differences in monitors, there may be color differences in the product. Thank you for your purchase and support!