Description: Floating Design: The unique dome floating design is specially designed for pools and fish tanks. It has good floating performance, easily floats on the water surface,and is convenient for observing fish activities.Acrylic Dome: The transparent acrylic dome design of Fish Feeding Ring provides a clear view, allowing you to appreciate the elegant posture of the fish anytime,while protecting the fish from external interference.Material: Aquarium Plant Corral is made of acrylic and EVA materials, it is environmentally friendly and weather resistant, ensuring long term use.Size: Dome Shape Aquarium Floating Ring, outer diameter is 17CM diameter, inner diameter is 14.5CM, height is 7cmVersatile: Fish floating viewing dome can be used as floating plant ring to encircle the floating plants and keep them where you want them, or used as fish feeding ring keep floating plants out,realizes simple and quick feeding, especially suitable for fish tanks, outdoor gardens, courtyard pools, etc. Specification: Material: Acrylic EVA Size Chart: Outer Diameter: 17cm/6.69inchInner Diameter: 14.5cm/5.71inchHeight: 7cm/2.76inch Package Includes: 1 Fish Floating Viewing Dome Note: Please allow slightly errors 1-2cm differences due to manual measurement.