Sachet vs Stick Pack vs Pouch: Choosing the Right Packaging Format

The quick answer: choose a sachet for low-cost, single-dose flat packs of powders or liquids, a stick pack for slim on-the-go single serves where a premium feel matters, and a stand-up pouch for larger multi-serve or resealable products that need shelf presence. The right call depends on your product type, dose size, target margin and where the product will sell, and each format needs a different style of filling machine.

What each format is

Sachet

A sachet is a small, flat, sealed pack made from laminate film, usually sealed on three or four sides. It is the workhorse single-dose format across food, beverage, pharmaceutical and nutraceutical lines. Sachets handle small fills of powders, granules, liquids and pastes economically, which is why condiments, sample sizes, and single-dose medicines so often arrive in them.

Stick pack

A stick pack is a narrow, tubular sachet sealed along a single back seam with crimped ends. It carries the same single-dose logic as a sachet but in a slim, modern shape that consumers associate with sugar, instant coffee, electrolytes and supplement powders. The tall, thin profile is easy to tear, easy to pour and easy to slip into a pocket.

Stand-up and spout pouch

A stand-up pouch has a gusseted base so it stands on shelf, and it is built for larger multi-serve volumes. A spout pouch adds a screw cap or fitment for pourable or drinkable liquids. Pouches suit resealable snacks, pet food, protein powders, sauces and ready-to-drink beverages where shelf presence and reuse matter.

Pros and cons of each format

• Sachet: lowest material and machine cost per pack and very fast output, but flat packs do not stand on shelf and offer limited branding area.
• Stick pack: premium single-serve feel, excellent portability and clean dosing, though the narrow web limits fill volume and the format costs a little more per unit than a flat sachet.
• Stand-up pouch: strong shelf presence, large print area and resealability, but higher film cost and slower fill speeds make it less suited to tiny single doses.

Matching the format to your product

Product behaviour drives a lot of the decision. Free-flowing powders such as protein, coffee or electrolytes pack neatly into sachets and stick packs using auger or volumetric filling. Liquids and pastes need a pump or piston filler and a reliable seal, so sachets handle small single doses while spout pouches suit larger pourable volumes. Granules such as sugar, seeds or instant mixes work well in stick packs and sachets dosed by volumetric cup. If your dose is only a few grams or millilitres, a sachet or stick pack is usually right. Once you move into the tens or hundreds of grams, a pouch is the natural fit.

Consumer and shelf considerations

Format is a marketing decision as much as an engineering one. Stick packs read as modern and convenient, which helps in supplements and functional beverages. Stand-up pouches win the shelf because they face the customer and carry full-colour branding. Flat sachets signal value, trial and single use, making them ideal for samples, sachets bundled in cartons, and pharmaceutical dosing. Think about how the product is bought, carried and reopened before you lock in a format, because changing later means changing tooling.

The machinery behind each format

Each format is produced on a vertical form fill seal or horizontal form fill seal platform configured for that pack style, paired with a dosing system matched to your product.

Sachet machines

A sachet packing machine forms film into three or four side-sealed packs and fills them in line. Multi-lane configurations run several sachets side by side to lift output, and the dosing head is selected to suit powder, granule or liquid product.

Stick pack machines

A stick pack machine forms a single back seam to create the slim tube, then crimps and cuts each stick. Multi-lane stick pack machines are common because the narrow format makes parallel lanes an efficient way to reach commercial speeds.

Pouch machines

A pouch filling machine handles premade or formed stand-up and spout pouches, opening, filling, and sealing or capping them. Pouch lines typically run slower than sachet or stick lines but deliver the larger fills and resealable formats that retail products need.

How to decide

1. Define your dose size first. Single grams or millilitres point to a sachet or stick pack; larger multi-serve volumes point to a pouch.
2. Classify your product as powder, granule, liquid or paste so the correct dosing system can be specified.
3. Decide where it sells. Retail shelf and resealability favour pouches; trial, sampling and pharmacy favour sachets; on-the-go convenience favours stick packs.
4. Set your target throughput, then choose single or multi-lane to hit it.
5. Talk to an engineer about film compatibility, seal integrity and changeover before committing to tooling.

If you are weighing these formats for a new or growing line, the team at Nexus Australia can match the machine to your product, fill volume and output targets. Get in touch with Nexus Australia to discuss your packaging requirements.

Frequently Asked Questions

Is a stick pack just a type of sachet?

Yes, a stick pack is a tubular single-back-seam variation of the sachet. Both are single-dose formats, but the stick has a slim, pourable shape that suits powders and granules and reads as more premium on shelf.

Which format is cheapest to run?

Flat sachets are generally the lowest cost per pack on both film and machinery, especially in multi-lane configurations. Stick packs sit slightly higher, and stand-up pouches cost the most per unit because of the heavier film and slower fill speeds.

Can one machine make all three formats?

Usually not. Sachet, stick pack and pouch formats each rely on a dedicated form-fill-seal configuration. Some platforms offer changeover between related formats, but most lines are specified for one pack style and one dosing system. An engineer can advise on the best fit for your product.

What dosing system do I need for liquids versus powders?

Powders and free-flowing granules typically use auger or volumetric cup filling, while liquids and pastes use piston or pump fillers. The dosing head is matched to your specific product viscosity and particle size, so share a product sample when specifying a machine.

Related machines and guides

• Sachet packing machine
• Stick pack machine
• Pouch filling machine
• Vertical form fill seal machines
• Horizontal form fill seal machines
• What is flow wrap packaging?