Poly mailers are one of those costs that looks tiny per unit and then quietly adds up to thousands of dollars a year. If you ship any real volume, a few cents per bag is the difference between a healthy margin and a leaky one. So what should you actually be paying? Here's a straight 2026 breakdown of poly mailer pricing — and how to get your per-unit cost down.
The short answer: what poly mailers cost per unit
For a standard 2.0–2.5 mil poly mailer, here's the range you'll typically see:
- Retail / small packs (under a case): roughly $0.08–$0.20 each, depending on size and where you buy.
- By the case / bulk: roughly $0.04–$0.09 each.
- By the pallet, factory-direct: often $0.03–$0.06 each for common sizes.
A single pallet holds roughly 35,000 flat poly mailers, which is why per-unit pricing drops so sharply once you buy at volume — you're skipping the retail and reseller markups entirely.
What actually drives the price
- Size. The obvious one — more film, more cost. A 6×9 mailer is a fraction of a 19×24.
- Mil thickness. 2.0 mil is the everyday standard; 2.5–3.0 mil costs more but protects heavier or edgier products.
- Recycled content. Films with high post-consumer recycled (PCR) content can price slightly differently than virgin film.
- Color & custom print. Stock white or gray is cheapest; branded, custom-printed mailers add a per-unit and setup cost but lift your unboxing.
- Volume. The single biggest lever — case and pallet pricing beats piecemeal buying every time.
Retail vs. factory-direct
When you buy poly mailers from a big-box site or marketplace, you're usually paying two markups: the manufacturer's, and the reseller's. Buying factory-direct removes the middle layer, which is where most of the savings live. The trade-off is that factory-direct suppliers sell by the case and pallet rather than by the ten-pack — so it's worth standardizing on the few sizes you use most.
Four ways to lower your per-unit cost
- Buy by the case or pallet, not in small packs.
- Standardize your sizes. Three or four sizes that cover 90% of your orders beats a dozen odd sizes at low volume each.
- Right-size the mil. Don't pay for 3.0 mil on lightweight apparel.
- Go factory-direct and lock in standing orders so you never pay rush prices when you run low.
See real pricing for your sizes
Browse our Poly Mailers for stock sizes and case pricing, or if you're buying at volume, use the wholesale quote builder to get a same-day ballpark on the exact sizes and quantities you ship — pallet and truckload pricing, factory-direct, priced in USD and shipped from U.S. inventory.
New here? Take 10% off your first order with code PRONTO10. Buying several sizes? Add them all to the quote builder and we'll price the whole list at once.