The double-sided mirror with a floating ball and suction cup is designed to entertain and exercise your betta fish. This innovative accessory encourages natural behaviors such as flaring and swimming, promoting a healthier and more active lifestyle for your aquatic pet. The floating ball adds an interactive element, making it a fun and engaging addition to any aquarium. Features -Color:White -Material:Acrylic -Size:5.00X5.00X0.50cm/1.97X1.97X0.20in -Doublesided design: the doublesided mirror caters to different needs, providing a versatile tool for fish observation and interaction. -Enhances observation: allows for easy monitoring and training of your fish, making it a practical addition to any aquarium -Entertainment for fish: fish can see their reflection, increasing their activity and providing entertainment within the tank -Training aid: helps fish exercise their attack and defense skills, promoting a healthier and more active lifestyle -Durable and easy to clean: made from materials, this mirror is built to last and can be easily cleaned Package list: 4 x betta exercise mirror