Transparent design allows all parties to observe the movement of worms in the feeding bowl, and arouse the desire to eat. The features of this reptile feeder dish is smooth in surface, inward-curved walls and upper mouth contraction, this make it extremely difficult for live fodder to escape from the dish. There is a knob on the front of the suction cup to release or increase the suction on the glass. The suction cup feeder bowl is made of high quality ABS, steady and durable, non-toxic and provides elevated feeding location which your reptiles prefer. Prefect feeder for Geckos and other small reptiles, such as gecko, centipedes, lizards, chameleon, iguana etc.