Fish Feeding Round and Square Aquarium Floating Food Feeder Wheel with Suction Cup for Fish Tank Fish Tank Feature:1. Fixed point feeding, keep clean: put food in the aquarium fish feeding, let the fish develop the habit of fixed point feeding. It's easy to clean the remaining feeder, reduce waste, maintain water quality and increase feeding fun.2. Unique design: aquarium floating food feeder wheel is round and quadrangular thickened to meet different fish tanks and aquariums.3. Rotatable Rod: The aquarium fish feeding is equipped with a rotating rod that changes with the water level as the water level rises or falls. Fish feeding always floats on the water.4. Strong Suction Cups: The aquarium floating food feeder wheel is firmly attached to the aquarium wall with strong suction cups and will not fall off easily.5. Widely used: the floating wheel aquarium food feeder is suitable for all flakes, pellets, all shapes and floating fish food.6. Safe Material: The aquarium food feeder floating wheel is made of premium ABS material, non-polluting, protect fish health. Specification: Item type: fish feeding Material: ABS Round shape fish feeding diameter: approx. 5.5cm/2.2in Square fish feeding diameter: approx. 8cm/3.1in Package List: 2 x Fish Feed Note: Please allow errors in manual measurement.