Features: 1.[Guard Live Food] Live food can float in the feeder cup to solve the needs of fish that need live food and prevent live food from scattering into the aquarium. 2.[Transparent] Aquarium red worm feeding cup is easy to install and the transparent design is convenient to view how much food is left for convenient use. 3.[Attract Fish's Attention] When fish get used to the red worm feeder, they will get used to swimming and gathering around the feeding cup when they need to eat. 4.[Widely Applicable] This aquarium feeding cone cup is suitable for feeding red worms, brine shrimp, blood worms, red nematodes and keeping the aquarium clean. 5.[Premium Material] Fish tank glass wall cone feeder is made of premium plastic material, which can be used repeatedly and durable for long term use. Specification: Item Type: Aquarium Red Worm Feeder Cup Material: Plastic Product Size: Diameter: Approx. 3.8cm/1.5in, Height: Approx. 4cm/1.6in Use: Red Worm Feeding Cup Application: Red Worms, Brine Shrimp, Blood Worms and Red Nematodes. PackageList: 1 x AquariumRedWormFeederCup 1 x Suction Cup Note Manual measurement, please allow some errors.