This is a single Aspire?BP Stik Empty Pod that is designed for use with the Aspire?BP Stik?pod kit only. The pod has a 2ml e-liquid capacity and can be refilled by lifting the silicone stopper on the bottom of the pod. Coil replacement is straightforward with the push-to-fit design, and the BP Stik Pod is compatible with BP Mesh coils (except for the 0.15ohm BP Mesh Pro). The pod also features adjustable airflow,?allowing you to adjust the inhale according to your preferences.?