High Quality Material: The glass tumbler is made of high quality material, which is durable and long lasting. It can be used repeatedly and durable for long time use. Protect live food: The floating live food funnel for bloodworms and solves the problems of feeding small food in the fish tank. Prevents the spread of live food in the aquarium. Easy to install: The transparent design makes it easy to see how much food is left and whether it is trapped or not. It is easy to install the fish feeder by the suction cups. The suction cup can be sucked more firmly if it is wet before use. It can be used in aquarium and fish tank, convenient to use. Keeps the aquarium cleaner and attracts fish attention: Keeps food cleaner t spread so easily. Suitable for food: red worms, brine shrimp, bloodworms and red nematodes. Your fish will figure this out after they get used to the feeder and will occasionally swim around to assemble in it. This will be part of their attraction to these curious fish.