Gloss White Mailer Boxes
A bright, neutral base for colour-led brands. Manufactured direct from our converting lines with a smooth white clay-coated liner inside and out, so printed artwork lands true to the approved proof and the box arrives looking clean.
White Liner Grades & Print Surface Tolerances
Uncoated and kraft boards drink ink and shift colour. Our gloss white mailers use a sealed clay-coated liner that holds ink on the surface, keeping fine detail sharp and brand colours consistent from the first box to the last.
| Substrate / Coating | Caliper / Flute | Surface Finish | Print Capability | Recommended Industry |
|---|---|---|---|---|
| Gloss White Clay-Coated E-Flute | 1.6 mm (32 ECT) | Smooth sealed gloss white | Full-colour CMYK, photographic artwork | Cosmetics, skincare, candles, health products |
| Gloss White B-Flute Transit | 3.2 mm (44 ECT) | Gloss white with aqueous overcoat option | Full-colour CMYK plus spot colours | Subscription boxes, electronics accessories, heavier goods |
| White Inside and Out Mailer | 1.6 mm or 3.2 mm | White liner on both faces | Interior lid printing, inside messages | Gift brands, PR kits, influencer seeding boxes |
| Plain White Unprinted Mailer | 1.6 mm or 3.2 mm | Clean unprinted gloss white | Labels, stamps and stickers applied in-house | Small batch sellers, mixed-product fulfilment |
True-Colour Print Base
Because process inks are translucent, the board colour becomes part of every printed colour. A bright white liner removes the brown shift of kraft, so an approved digital proof and the finished box match closely run after run.
Sealed Gloss Surface
The clay coat seals the liner fibres, so ink sits on top instead of soaking in. Fine text, gradients and photographic images stay sharp, and light marks from handling wipe off the gloss surface instead of staining it.
White Through the Whole Box
White liner on both faces means the interior reveal is as clean as the outside. Brands can print the inside lid, add a plain tissue wrap, and keep one consistent white story from the doorstep to the open box.
Request Your Direct Factory White Mailer Quote
Get competitive wholesale rates on custom gloss white mailers and full-colour printing direct from our factory.
Configure Your Custom Mailer Boxes
Wholesale tiered pricing directly from the packaging floor. Receive an engineering review and a quote within 2–4 business hours.
Quote Request Received by Packaging Engineering
We are preparing your custom dieline template and wholesale volume rate breakdown. A packaging specialist will contact you at your work email within 2–4 business hours.
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White Mailer Box FAQs
Technical details on white liner board, print colour accuracy, gloss surfaces, and ECT fluting options.
Frequently Asked Factory & Manufacturing Questions
Transparent answers on minimums, production timelines, dielines, and corrugated board specifications.
Why does a white base matter for printed mailer boxes?
Process inks are translucent, so the board underneath shifts the finished colour. A bright white clay-coated liner gives CMYK artwork a neutral base, which keeps brand colours accurate and photographs crisp. On natural kraft, the same artwork prints darker and warmer because the brown board shows through.
Is the inside of the box white as well?
Yes. Our white mailers use white liner on both faces, so the interior, dust flaps and lid underside are the same clean white as the outside. The only place the flute medium shows is the cut edge of the board itself.
Does the gloss surface scuff or mark in transit?
The gloss clay coat is a smooth, sealed surface that wipes clean and resists light scuffing better than uncoated board. For heavy transit routes we can add a clear aqueous overcoat. As with any light-coloured packaging, sharp abrasion can still mark the surface, which is why the boxes ship flat in strapped bundles with the printed face protected.
What fluting thicknesses are available in gloss white?
We convert gloss white mailers in E-Flute (1.6mm thickness / ECT-32, suited to cosmetics, candles and lightweight goods) and B-Flute (3.2mm thickness / ECT-44, for heavier or fragile contents). Both use the roll-end tuck top (RETF) structure with double-wall side panels.
What is the factory MOQ and production timeline for white mailer boxes?
Our direct-from-factory production minimum is 500 units per custom size and artwork specification. Production turnaround is 7 to 10 business days following digital 3D proof sign-off, with larger runs of 2,500 to 10,000+ units benefiting from automated high-speed converting economies.
Have a technical question about board strength (ECT) ratings or dieline fitment?
Consult directly with a packaging engineer via email at sales@mailerboxfactory.com or configure your specs in our Quote Configurator.