This set includes a betta training ring with a suction cup and filter balls, designed to enhance your betta fish's agility and overall health. The training ring provides an interactive environment for your fish, encouraging physical activity and mental stimulation. The filter balls help maintain clean , ensuring a healthy habitat for your betta. Features -Color:White -Material:Abs -Size:7.20X7.20X0.40cm/2.83X2.83X0.16in -Size:4.00X4.00X4.00cm/1.57X1.57X1.57in -Strong suction cup: the betta training ring comes with a powerful suction cup that easily attaches to the aquarium, ensuring it stays in place without falling off. -Enhances betta exercise: the training ring stimulates your betta fish's activity, encouraging physical exercise and improving overall health. -Provides hiding space: the spacious interior of the training ring offers a hidden resting and playing area for your betta fish. - materials: made from materials, the training ring is durable and safe, ensuring no harm comes to your betta fish. -Easy to use: the betta training ring is simple to install and operate, making it ideal for betta fish enthusiasts Package list: 2 x Betta Fish Exercise Ring with Suction cup 3 x Filter Balls