The SMOK nord 50W pods come in packs of three. They are compatible with nord coils which come in a variety of resistances to suit many vaping styles. They can hold 2ml of e-liquid which can be added by removing the rubber cover on the side of the pod to reveal the inlet. The wide mouthpiece also make is comfortable to inhale. These pods are designed to be used with the nord 50W kit and attach easily to the top of the device.