Size range
Poly Mailer Sizes
Nine sizes, one table. This page exists so you can see the whole range at once instead of opening seven tabs, and so you can find the point where your product stops fitting one size and starts fitting the next.
Each size has its own page with fit detail, packing notes and print considerations. This one only compares and routes.
Not sure which of these to order?
Describe what you ship and we will point you at the right one, then quote it. A recommendation costs nothing.
Which one fits

6x9 Poly Mailers
One small item plus a card — jewelry, cosmetics, accessories.
Read the detail
9x12 Poly Mailers
A single folded garment, a paperback, a mounted print.
Read the detail
10x13 Poly Mailers
The apparel default. One or two garments with room for inserts.
Read the detail
12x15 Poly Mailers
Knitwear, denim and multi-item orders that outgrew the standard.
Read the detail
14.5x19 Poly Mailers
Heavyweight hoodies, light outerwear, three-garment orders.
Read the detail
19x24 Poly Mailers
Consolidation — bedding, wholesale drops, batched returns.
Read the detail
24x24 Poly Mailers
Square and lofty soft goods that will not fold rectangular.
Read the detail
Small Poly Mailers
Still deciding at the small end? Start here.
Read the detail
Large Poly Mailers
Still deciding at the large end? Start here.
Read the detailThe whole range at a glance
Read across from the item you ship most often. Where two sizes both work, the smaller one is cheaper per unit and travels better.
| Size | Handles comfortably | Struggles with |
|---|---|---|
| 6x9 | Jewelry, cosmetics, phone accessories, flat print | Anything with loft |
| 9x12 | One folded tee, a paperback, leggings | Two-item orders |
| 10x13 | One or two garments plus inserts | Hoodies and padded jackets |
| 12x15 | Knitwear, denim, two to three garments | Oversized outerwear |
| 14.5x19 | Heavyweight hoodies, light outerwear | Bedding sets |
| 19x24 | Bedding, wholesale drops, four to five garments | Anything rigid |
| 24x24 | Cushions, folded quilts, square soft goods | Long thin items |
Most operations settle on two or three sizes. Running one size means waste on small orders; running five means decisions at the bench that get made wrong under pressure.
How to use this table
Three habits separate a size decision that holds from one you revisit in six months.
Size against your heaviest routine order
Not the average one. The average order fits almost anything; the heavy one is what fails.
Include the inserts
The card, the tissue and the returns slip together take up more room than most people allow for.
Test with your own packers
A careful desk fold and a bench fold at pace are different sizes. Use the one you will actually get.
Questions about poly mailer sizes
How many poly mailer sizes should I stock?
Most operations land on two or three. One means waste on light orders and strain on heavy ones; four or more introduces decisions at the packing bench that get made inconsistently when volumes rise.
Are poly mailer sizes measured to the flap or to the usable area?
Conventions differ between suppliers, which is why two identical-looking numbers can describe different bags. We confirm on each quotation which measurement applies to the film being quoted.
Can I order more than one size on the same run?
Yes, and it is usually more economical than separate orders because setup is shared where the film and artwork match.
Still between two sizes?
Tell us what you ship and we will recommend a size, say why, and quote it. Samples of two candidates are usually the fastest way to settle it.