Description: Material: PVC Size: 10cm / 3.90" Color: Black, Blue Feature: 1. Convenient Feeding: Food can be placed in the feeding ring to prevent food from scattering, making it easier for fish to obtain nutrients. 2. Reduce Waste: Food is concentrated inside the feeding ring, reducing food waste, saving costs, and being environmentally friendly. 3. Maintain Water Quality: By placing food in the feeding ring, it can prevent food from accumulating at the bottom of the water, reducing water pollution. 4. Aesthetic: The feeding ring can allow fish to gather in the same location, increasing the visual pleasure and making it easier to observe the fish. 5. Easy Operation: The design of the feeding ring is simple and convenient, no complex installation is required, making it a practical tool in the aquarium. Note: 1. Manual measurement may have an error of 1-2cm. Please understand, thank you. 2. Due to the difference between different monitors, the image may not reflect the actual color of the item. Package includes: 1* Fish Food Feeding Ring