"Cereal Killa Squared!" - C.K. Squared is the Newest addition to the 9SV Roster. With the Global Success of "The Original Cereal Killa" We are proud to revisit the flavor that started it all... Squared is exactly what it says .. Same cereal favorite just with a marshmallow square twist. Available in 60 mL bottles and 4 mg/mL nicotine only.