These uniquely crafted coils intergrade organic cotton material with superior wicking capabilities than the competition. Incorporating pure organic cotton better saturates your goodies at the coil for richer, more portent flavors and increased vapor production. Make sure to add several drops of your oils to the coil material before placing it into the tank, ensuring that it will help keep the coils moist. These coils will burn when dry. These 0.1omh coils and it is recommended to use with 20W to 30W batteries. Coming in a pack of five, the Atlantis 0.1ohm Coils 5pk by Aspire are an economic and resourceful choice to add to the collection.