Flat White Postal Boxes
Great
366 reviews on
Trustpilot
Bright white flat-pack postal boxes with vibrant custom print, low MOQs, and recyclable board for e-commerce and subscription brands.
$0.74
UNLIMITED CUSTOMIZATION OPTIONS
A printing technique employing a plate to transfer designs onto paper. Ideal for extensive print jobs.
Plate-free digital printing transfers designs electronically, cost-effective for short runs.
Screen printing is a method using a mesh screen and stencil to transfer ink onto a substrate.
Quick-drying printing technique utilizing ultraviolet lights for ink curing, yielding a glossy finish.
Consisting of water-based pigments, Ensures top-notch color output with a 100% eco-friendly profile.
Fluorescent inks are vibrant, UV-reactive pigments that emit vivid colors under ultraviolet light.
Generate pure colors using specific ink formulas to consistently & precisely reproduce color in printing.
Produce metallic colors through precise ink formulations to replicate color in printing.
Premium bleached white paperboard, specially coated on one side to enhance printing & finishing.
Bleached white paperboard, coated on both sides to achieve superior printing quality and finishes.
Top-notch textured paper, perfect for adding a touch of style when wrapping up durable boxes.
A unique paper material showcasing a shiny or matte metallic laminated surface.
Bleached kraft paper crafted from a blend of new and recycled pulp, coated on both sides for optimal printing.
Kraft paper produced from a combination of new and recycled paper pulp, with coating on both sides for printing purposes.
Kraft paper dyed black, manufactured from a blend of new and recycled pulp, and coated on both sides for printing applications.
Crafted from recycled grey chipboard cardboard, also known as uncoated recycled paperboard, ideal for luxury rigid boxes.
Unique paper material showcasing a holographic laminated surface in either glossy or matte finish.
Grey chipboard, one-sided white cardboard with a smooth, printable surface, ideal for luxury rigid boxes.
Gloss lamination enhances visual appeal by applying a shiny finish, and protecting printed materials.
Matte lamination offers a non-reflective finish, providing elegant appearance to printed materials.
Made with a smooth lamination that feels like touching a peach, can choose between a satin or matte.
A UV coating is applied to a specific area and then cured using ultraviolet light to make it sturdy.
A transparent coating is applied using the CMYK printing technique, and it comes in gloss, satin, or matte.
A fast-drying coating that undergoes curing through ultraviolet light is offered in both gloss and matte.
In a printing method, dies are pressed onto the back of the material to create a raised motif.
A printing technique that involves pressing dies onto the front of the material to create a raised motif.
In foil relief printing, foil is transferred at high temperatures, often employing multiple colors.
Craft a die-cut shape with a plastic film layer, revealing a window to showcase the product inside.
We recommend the ideal material and add-ons like lamination, foiling, embossing UV, etc.
Get Free Design Support with your box 3d Renders or Send Your Design File for Printing.
Upon design approval, we’ll print and conduct quality checks before shipping the boxes to you.
Technical Specifications
| Dimensions | Available in Custom Sizes |
| Printing | CMYK, Pantone Color, Full Color & No Printing |
| Paper Stock | Eco-Friendly Kraft, Corrugated Cardboard & Premium Rigid Stock |
| Coating | Semi-Gloss AQ, Gloss UV, Matte UV & Spot UV |
| Default Process | Die Cutting, Gluing, Scoring, Perforating |
| Custom Options | Window Cut Out, Gold/Silver Foiling, Embossing, Raised Ink |
| Proof | Digital Proof, 3D Mock-Up |
| Shipping | Shipped FLAT (Free Shipping Across USA & Canada) |
| Help | For further inquiries and Quotes, contact us or email at sales@cratpackaging.com |
Flat white postal boxes give mailers a clean, premium look using a bright white board face instead of brown kraft. Crat Packaging builds these flat-pack mailers to your exact size, prints your logo directly on the white surface, and ships them flat to keep freight costs low nationwide.
Specifications
| Box Style | Flat-pack self-locking mailer, tuck-in or tape-seal closure |
|---|---|
| Material | White SBS/C1S board or white-coated corrugated, 18pt-32pt or B/E-flute |
| Assembly | Ships flat, folds and locks by hand in seconds, no tape gun needed |
| Best For | Apparel, beauty, subscription boxes, small electronics, greeting cards |
| Print Options | Offset or digital CMYK printing directly on white stock, spot colors, matte or gloss lamination |
| Order Volume/MOQ | Low minimums for startups, volume pricing for repeat shippers |
| Shipping | Flat-pack pallets nationwide from US production facilities |
Why Brands Choose a White Finish
A white board face reads as premium the moment a customer lifts it from their mailbox. Unlike natural kraft, white stock shows full-color print with none of the tan cast that mutes brand colors, which matters for beauty, apparel, and gifting brands.
Common Uses for These Mailers
Retailers use these mailers for flat or slightly bulky items: apparel, linens, phone cases, books, cosmetics sets, and printed materials. The format also suits subscription boxes wanting a consistent, brandable unboxing every month.
Who Orders This Style
D2C apparel and beauty brands, subscription companies, and stationery publishers are the most common buyers, often switching from kraft because white makes their logo pop in photos.
Eco-Friendly Packaging
These mailers use recyclable, FSC-sourced board, so a bright finish does not mean giving up sustainability — a 2025 McKinsey survey found over 60% of U.S. consumers pick green packaging when they have the choice.
Format and Print Options
Choose self-locking tuck mailers, tape-seal shippers, or custom die-lines sized to your product. Print in full CMYK, a single spot color, or matte/soft-touch lamination for a boutique finish.
Why Order From Crat Packaging
- Custom sizing that cuts void fill and freight weight
- True white board stock for accurate, vibrant brand colors
- In-house US production with fast reorder turnaround
- Low minimum order quantities for growing brands
- Free design support and a physical sample first
- Recyclable, FSC-sourced board
How to Order
- Share your product dimensions or an existing box for reference
- Send artwork, or ask our design team for a free mockup
- Approve a physical sample before full production
- Confirm quantity and turnaround, then we ship flat-pack
Frequently Asked Questions
What is the difference between white and kraft postal boxes?
White board shows full-color print with no tan undertone, giving a cleaner look than kraft’s raw, earthy appearance.
How is this different from your flat postal boxes?
That listing covers kraft and multiple board options, while this page is dedicated to the bright white finish for maximum print contrast.
How does it compare to your flat pack postal boxes?
Both ship flat to save freight; that listing covers general flat-pack styles, while this page focuses on the white finish and its print advantages.
What sizes are available?
Sizes are fully custom, from small jewelry mailers to larger apparel and multi-item shippers.
Is the white board recyclable?
Yes, our stock is FSC-sourced and curbside recyclable like standard folding carton material.
What is the minimum order quantity?
We offer low minimums for startups, with better pricing at higher volumes.
Shop with Confidence
