Protection
Padded Poly Mailers
Padded is a category, not a product. It covers several different constructions with different cushioning materials, different weights and different failure modes, and buyers who order "a padded mailer" without choosing between them usually end up with the wrong one.
This page is the choosing page. It sets out what each construction actually protects against, which kinds of damage padding does not prevent at all, and the point at which a carton is the honest answer instead.
From$0.30per unit, indicative — your quotation is priced against your own specification
Price padded poly mailers
A short brief is enough to start. We come back with a written specification and a price.
The cushioning constructions, compared
These are the formats a padded mailer request usually resolves into. They differ in weight, bulk and what they defend against.
| Construction | Protects against | Weight and bulk | Suits |
|---|---|---|---|
| Poly outer, bubble lining | Impact and abrasion, with moisture resistance from the outer film | Light, moderate bulk | Cosmetics, small electronics, ceramics in a box |
| Paper outer, bubble lining | Impact and abrasion; the outer absorbs moisture | Light, moderate bulk | Books, print, stationery where a paper feel is wanted |
| Foam lining | Surface scratching and light impact | Light, low bulk | Jewellery, lenses, screens, polished surfaces |
| Plain film, no lining | Nothing beyond containment and moisture | Lightest, least bulk | Soft goods that need no cushioning |
Foam is for surfaces. Bubble is for impact. If your damage is scratching rather than breakage, more bubble will not fix it.
What padding does not do
Three failure modes that cushioning will not solve.
Padding absorbs impact. It does not resist crushing. A padded mailer at the bottom of a cage under other parcels transfers that load straight to the contents, which is why anything that must not be compressed needs a rigid carton rather than a thicker lining.
Padding does not stop contents moving. A small item in a large padded mailer still slides, and the lining does nothing at the moment it hits the end of the bag. Fit matters as much as cushioning.
And padding does not protect edges and corners the way it protects faces. A framed print in a padded mailer usually arrives with damaged corners, because that is where the whole force of a drop concentrates and where the lining is thinnest.
Diagnosing what is actually going wrong
Before choosing a construction, work out which failure you have. The answer changes what you should order.
Look at how the damaged items failed
Cracked and broken means impact. Scratched and scuffed means abrasion. Crushed and deformed means load, not impact.
Check whether the mailer itself failed
If the bag is intact and the contents are broken, cushioning or fit is the problem. If the bag burst, it is a size or film weight problem.
Check the fit
Shake a packed parcel. If the contents move audibly, movement is the cause and a smaller mailer will do more than a thicker lining.
Match construction to the failure
Impact needs bubble. Abrasion needs foam. Crushing needs a carton. Movement needs a better fit.
Test before switching the whole flow
Run a sample batch through your real network on real orders before you commit to volume.
Where a padded mailer beats a carton
Padding is not always the lesser option. For a substantial set of products it is the better choice.
Weight
A padded mailer weighs a fraction of a carton with void fill, which matters on every parcel you send.
Cube
Flat storage before use and a smaller packed profile after, which reduces both warehouse space and shipping volume.
Packing time
One motion instead of assemble, fill, close and tape. At volume this is a real labour saving.
Moisture resistance
A film-faced padded mailer keeps rain out in a way an unlined carton does not.
No void fill to buy or dispose of
The cushioning is built in, which removes a consumable and a customer complaint.
What to specify
Confirmed in writing on your quotation.
| Option | Choices | What changes |
|---|---|---|
| Lining |
| Bubble for impact, foam for surface protection, unlined where containment is enough. |
| Outer facing |
| Film resists moisture; paper takes print differently and feels different in the hand. |
| Closure |
| Returns matter more in the categories that need padding, so the second strip is often worth it. |
| Size |
| Fit does as much protective work as cushioning; size against the packed product. |
| Print behaves differently on a textured surface — see the printed bubble mailer page. |
Options shown are the choices we can quote against. The exact specification for your order — including film weight, closure and print method — is confirmed in writing on your quotation.
Where padding is the wrong tool
If the damage you are seeing is crushing rather than impact, no amount of lining will change the outcome, because a flexible bag has no structure to resist a load pressed on top of it. Rigid packaging is the answer there, and choosing a padded mailer instead simply moves the cost without fixing the problem. Where the contents are soft and the real requirement is room rather than protection, the guide to choosing a larger format is a better place to start.
Questions about padded poly mailers
What is the difference between a padded mailer and a bubble mailer?
Bubble is one kind of padding. Padded is the broader category, which also covers foam linings and paper-faced constructions. Asking for "padded" without choosing a lining leaves the most important decision unmade.
Will a padded mailer stop my products breaking?
It absorbs impact, which prevents a large share of drop damage. It does not resist crushing, and it does not stop contents moving inside an oversized bag. Fit and load are as important as the lining itself.
Are padded mailers cheaper than boxes?
Per unit they are usually cheaper than a carton plus void fill, and they weigh and measure less, which affects shipping cost as well. Where the contents need structural protection, though, the comparison is not really available.
Can padded mailers be printed with my branding?
Yes. The surface is textured rather than flat, which changes how fine detail reproduces, so designs are usually simplified. The printed bubble mailer page covers what works on that surface.
Get a padded specification
Tell us what is breaking and how. We will recommend a construction, explain why, and quote it against your volume.