Description: Sturdy Material: Fish Food Feeding Rings is made of quality acrylic material, which is highly transparent, sturdy.Suction Cup Fixation: Floating fish feeding rings features a unique double fixation method, allowing it to securely attach to the tank wall or elastic band up to 20mm and 12mm respectively., and will not move due to the touch of the fish, ensuring the stability of feeding.Conveneient: Floating Foods Feeder is practical and sturdy, easy and convenient to use.Clear: Transparent box for easy observing, simple design, decorative and moder.Wide Application: Fish Tank Station is not only suitable for home aquariums, but also for fish stores, aquariums, and other places, it is an ideal tool for feeding fish. Specification: Material: Acrylic Size Chart: 6.8cmx9cm/2.68inchx3.54inch Package Includes: 1x Fish Feeder Note: Please allow slightly errors due to manual measurement and different monitors.