The Firestorm F3 Cold Spark Powder is a 7.5oz (200g) vacuum-sealed pouch. The estimated usage per pouch is 15 minutes. The pouch also comes with an RFID Card used to authenticate and add run time to the Firestorm F3 unit. The Firestorm F3 Powder is the only powder approved to work with the JMAZ Firestorm F3 units.