The GeekVape E100 4.5mL Replacement Pod (2-Pack) CRC is compatible with the GeekVape P Replacement Coil (5-Pack), the plastic construction is very pleasant to the touch, and useful to check your e-juice level. Equipped with magnets, it can be used with the GeekVape Aegis E100 Starter Kit CRC. Featuring a top-filling and airflow control, each pack has two pods.