These are the replacement pods for the NEW Yocan Trio. You can choose between the E-Liquid Pod, the Thick Oil Pod, or the Concentrate Pod. The Pods are sold individually or in packs of 4. Packs of 4 cannot be mixed between different styles of pods. These Pods feature an updated Airflow Design to prevent leaking and are compatible with the Yocan Evolve 2.0.