Features: Acrylic feeder cup is made of high quality material, which is durable and lasting for use. It can be used repeatedly and durable for long for time use. Easy to Install, Keeps aquarium cleaner food doesn'for t spread around so easily. As a fish feeder,place some fodder on the feeder and install it on fish for tank with suction cup. Suitable for feeding red worms, brine shrimp, blood worm and red nematode. It can be used in fish for tank and aquarium, convenient to use. Transparent design is better to know how much food left and whether it traps planaria or not. Specifications: Material: Acrylic Type: Feeder Color: Transparent Size: Length 6cm(2.36in) ; Width 4m(1.57in) Note: 1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Fish Feeder