The VZONEe Simply Squonk Kit by Geekvape includes the Simply Squonk Mod and the Simply BF RDA. The Simply Squonk Mod can be used with a single 18650, 20700, or 21700 battery that is sold separately. The Squonk bottlle has 5.5mL eliquid capacity. The Simply Squonk RDA is a 24.5mm RDA that features a dual post build deck and dual side airflow slots. The top cap of the Simply Squonk RDA is made out of PEI (also known as Ultem).