COLDFRONT™Keep it cold
Expandable mailerShips flat, expands around the product
Recycled PET mailerCurbside-recyclable fiber pad mailer
Recycled paper linerPlastic-free, 6 stock box sizes
Recycled PET linerAbout 40% lighter than EPS
Fluted paper linerCustom-sized paper panels
Plant-starch foam linerRigid starch-and-paper liner
Gel packs & ice bricksGel, no-sweat gel and foam bricksNot sure which?Compare every mailer and liner side by side: material, sizes, walls, tested results and minimums.Compare products →Two mailers, four box liners and three refrigerant lines. Pick a format, or tell us what you ship and we'll spec it for you, with lead time confirmed in writing.
For single orders and small parcels: vials, pens, chocolate, skincare.
A self-expanding, foam-insulated mailer that replaces the EPS cooler for small refrigerated and cool-chain parcels.
A two-piece recycled PET fiber pad inside a poly bag. Folds and ships flat, and the whole thing is curbside recyclable.
Turn a standard corrugated box into an insulated shipper. Paper, starch and recycled PET.
A two-piece, 1.5" paper-fiber liner in three versions and six stock box sizes. No plastic, cotton or styrofoam.
Soft, dense recycled PET fiber panels with a hinged lid. Drops into a standard 12 in cube box.
Two panels of stacked fluted paper, custom-sized to your box. Folds in with no tape or tools.
Rigid, 1.4" panels with kraft paper faces over a natural starch foam core. Curbside recyclable.
Ice bricks, no-sweat gel packs and regular gel packs, sized to your lane.
Three lines from 3 oz to 64 oz: foam ice bricks, condensation-absorbing no-sweat packs, and regular gel packs.
Ranges depend on size, wall, refrigerant and season. The recycled PET mailer’s 39 h is how long a test vial stayed below 8 °C in its tested configuration; the vial ran near 0 °C for most of that test. Everything is specced to your lane.
| Product | Material | Sizes | Wall | Thermal protection | Curbside recyclable | Minimum order |
|---|---|---|---|---|---|---|
| Mailers | ||||||
| Expandable Mailer | Self-expanding foam mailer | 9×11, 12×14, 14×18 in | 1", 1⅜" | 24–48 h by configuration | — | 1 case |
| Recycled PET Mailer | Recycled PET fiber pad in film | 9×11, 12×14, 14×18 in | 0.75", 1", 1.5" | Under 8 °C for 39 h | Yes, film included | Quoted |
| Box liners | ||||||
| Recycled Paper Liner | Recycled cardboard fiber | 8"–18" cube boxes | 1.5" | 24–72 h by configuration | Yes | 1 pallet |
| Recycled PET Liner | Recycled PET fiber | 12" cube (stock); 8", 10" custom | 1.5" (0.75", 1" custom) | 24–72 h by configuration | Yes | 1 pallet |
| Fluted Paper Liner | Stacked fluted paper | Made to fit your box | Specced per box | Specced per lane | Yes, with cardboard | 1 pallet |
| Plant-Starch Foam Liner | Starch foam core, kraft faces | 3 stock box sizes | 1.4" | Specced per lane | Yes | 1 pallet |
Minimums start at one case. Expandable mailers and refrigerants: 1 case. Stock box liners: 1 pallet. Recycled PET mailers: quoted. Custom sizes carry larger minimums.
Mailers suit single orders and small parcels such as vials, pens, chocolate and skincare. Liners suit larger or heavier payloads in a standard corrugated box, such as frozen meat, meal kits and multi-vial orders.
The recycled PET mailer and all four box liners: recycled paper, recycled PET, fluted paper and plant-starch foam.
Yes. ISTA 7E validation is available for your exact pack-out, and every quote confirms lead time in writing.
Tell us the product, the volume and the shipping speed. We'll spec it and quote within one business day.
COLDFRONT™Keep it cold
Insulated mailers, box liners and refrigerants, specced to your lane. ISTA 7E validated. Quotes within one business day.
will@getcoldfront.com
