Clean and condition your terrarium & vivarium soil naturally. 25 count mixed size order is shipped in damp sphagnum to ensure live arrival. Vibrant orange color adds life to your bioactive setup. Very hardy species that thrives in most environments. Our Porcellionides pruinosus "Powder Orange" Isopods are sold 25, 50 and 100 count cups of assorted sizes ranging from established young juveniles to adults. Porcellionides pruinosus are a woodlouse found across much of the world including Europe, North America, South America, Africa, and Asia. They get their nickname "Powder Orange" from their orange color and dusty appearance after molting. This species is extremely prolific under the right conditions, extremely active, hardy, and provides a boost of life to your vivarium. They can flourish under a wide range of temperatures and humidity, making them an excellent addition to practically any type of bioactive setup. As with all of our insects, live arrival is guaranteed.