Snack Mixes, Chips, Popcorn, & Nuts do well packaged in a Vertical Form-Fill-Seal . Bag your snack foods with our vertical form fill and seal baggers. VFFS (Vertical Form-Fill-Seal) machines are the perfect solution for packaging snack food items like: snack mixes, chips, popcorn, & nuts. Our Machines are user-friendly and with serviceability and sanitation needs in mind.