Stand up pouch vs flat bottom pouch: which to choose
A stand up pouch has one gusset in the base, so it pillows out when filled and stands on an oval footprint; a flat bottom pouch has two side gussets and a rectangular base, so it stands square like a small box and shows five printed panels. Choose a stand up pouch for light products, small fills and the simplest bag; choose a flat bottom pouch for coffee, granola and fills of 8 ounces and up, where a square stance and more face matter.
How each one is built
A stand up pouch is two face panels with a folded gusset sealed into the bottom. Empty, the gusset tucks in flat. Filled, the product pushes it open into an oval base. It is the most common pouch on a shelf and the one with the least film in it.
A flat bottom pouch, also called a box pouch, has a rectangular base panel and a gusset down each side. It stands square, with crisp corners, and you get a front, a back, two sides and the base to print on. For the same volume it uses about 15 percent less film than a stand up pouch, because the shape is more efficient, though it takes more converting work to make.
Side by side
| Stand up pouch | Flat bottom pouch | |
|---|---|---|
| Base | One bottom gusset, oval when filled | Rectangular base and two side gussets |
| Stance | Can lean or slump when underfilled | Stands square at most fill levels |
| Printed panels | Front and back | Front, back, two sides and base |
| Films we run | PET/PE, kraft/PE or metallized; foil for coffee and supplements | PET/AL/PE foil or metallized PET/PE; kraft/PE on request |
| Closures | Press-to-close zipper, tear notch, hang hole optional | Press-to-close or pocket zipper, tear notch, tin tie optional |
| Coffee valve | Available on our coffee bag with valve | Fitted on request |
| Sizes we run | 1 ounce to 5 pounds | 8 ounces to 5 pounds |
| Minimum and lead time | 200 units, 10 to 12 business days after proof | 200 units, 10 to 14 business days after proof |
| Cost drivers | Simpler to convert | More forming and sealing per bag |
Which products fit which
| Product | Better pouch | Why |
|---|---|---|
| Whole bean coffee, 12 oz to 2 lb | Flat bottom | Square on the shelf, room for a valve and a pocket zipper |
| Granola and cereal, 8 to 16 oz | Flat bottom | Wide opening, five faces to print |
| Protein powder, 1 to 2 lb | Flat bottom | Stands while it is scooped down |
| Snacks, 1 to 8 oz | Stand up | Light fills, windows, the simplest bag |
| Tea and herbs, 1 to 4 oz | Stand up | Small sizes; a flat bottom under 3 inches wide does not stand well |
| Pet treats | Stand up | Hang hole option for peg display |
| Single servings under 2 oz | Neither: a three side seal pouch | Flat, cheap and eaten at once |
Film is a separate decision
The shape does not decide the barrier. Both pouches run on our food-contact laminates, and you choose the film by what the product needs: foil for coffee and supplements, metallized for oily snacks, clear or matte PET/PE for dry goods, kraft/PE for a natural look. The pouch material selection guide compares them, and coffee roasters should also read custom coffee bags.
Mistakes we see
- A stand up pouch that is too big for the fill. An underfilled stand up pouch slumps and leans. Size it to the fill weight, or move to a flat bottom.
- A flat bottom pouch that is too small. Below about 3 inches wide, a flat bottom pouch stops standing well. Small fills belong in a stand up or three side seal pouch.
- No tear notch on a zipper bag. Without one, people rip the top wherever they can and wreck the zipper. Every pouch we make has a tear notch.
- Sizing to volume, not weight. Tell us the product and the fill weight, or send a sample, and we test the fill before the run. Leave room above the product for the zipper and the top seal.
- Assuming your filling setup takes either shape. If a co-packer fills by machine, check which pouch formats it runs before you choose.
Questions people ask
What is the main difference between a stand up and a flat bottom pouch?
The base. A stand up pouch has one bottom gusset that opens into an oval when filled. A flat bottom pouch has a rectangular base and two side gussets, so it stands square and shows five printed panels.
Which pouch holds more?
For the same footprint on a shelf, the flat bottom pouch, because its square shape uses the space more efficiently. It also uses about 15 percent less film for the same volume.
Which one is cheaper?
The stand up pouch is usually simpler to make, so it tends to quote lower, especially in small sizes. The flat bottom pouch takes more forming and sealing per bag. Your quote shows both if you ask.
Can both have a zipper and a valve?
Yes. Both take a press-to-close zipper and a tear notch. The flat bottom pouch also takes a pocket zipper and a tin tie, and a one-way degassing valve is fitted on request for roasted coffee.
Is a flat bottom pouch better on a retail shelf?
Usually. It stands square, does not slump as it empties, and the side gussets give you two extra panels for the story, the brewing guide or the nutrition panel.
What is the minimum order?
200 units for both. Stand up pouches take 10 to 12 business days after proof and flat bottom pouches 10 to 14.