This set of betta training ring with suction cup and filter balls is great for enhancing your fish's agility and well-being. The training ring provides a stimulating obstacle for your betta to navigate, while the filter balls work to keep the clean and clear, ensuring a space for your aquatic friend. Features -Color:White -Material:Abs -Size:7.20X7.20X0.40cm/2.83X2.83X0.16in -Size:4.00X4.00X4.00cm/1.57X1.57X1.57in -Strong attachment: the betta training ring features a powerful suction cup that ensures it stays securely attached to the aquarium. -Promotes betta fitness: the training ring helps stimulate your betta fish's activity, encouraging regular exercise and improving health. -Spacious interior: the training ring provides a roomy and hidden area for your betta fish to rest and play. -Durable and safe materials: made from materials, the training ring is safe for your betta fish and built to last. -Easy to use: the training ring is simple to install and operate, making it great for betta fish enthusiasts Package list: 6 x Betta Fish Exercise Ring with Suction cup 9 x Filter Balls