When your pantry’s stocked with a 6-count box of ACT II Butter Popcorn, you’re only two minutes away from a delicious, salty snack. The Butter ACT II microwave popcorn flavor is made with 100% whole grain popcorn kernels.. Enjoy the perfect balance of buttery and salty taste in every fluffy kernel for an after-school snack, in your lunchbox or during family movie night. Choose ACT II Butter Popcorn for the best value in popcorn.