Superworms are an excellent feeder for your reptiles. They are easy to maintain and store until ready for feeding time. Like all of our feeders, our superworms are no different. They are specially bred and raised with our Premium Bug Chow! Also, they get fresh greens, carrots, and potatoes for extra moisture and nutrition. Superworms are sometimes confused with mealworms. They have less chitin (exoskeleton) for easier digestion for reptiles. They also provide more moisture and protein than mealworms. If dusted with calcium, superworms are an excellent staple for your reptiles diet. We have 3 different sizes to choose from, but always use the rule of thumb for reptile safety "Nothing bigger than the space between their eyes."