What are stick packs made of? What are stick packs made of? Stick packs are long, skinny pouches made of paper or plastic and sealed on two short ends. They are ideal for packaging popular food items like sugar substitutes, diet drink mixes, energy drinks, and vitamin waters. Share: Prev: What is the difference between a stick pack and a sachet? Related What is the difference between a stick pack and a sachet? What is stick pack machine? How Does a Multihead Weigher Work?