Square Mailing Boxes
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Wholesale Square Mailing Boxes built for e-commerce shipping and fulfillment.
$0.95
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 |
Square Mailing Boxes from Crat Packaging are wholesale shipping cartons built on a square footprint, giving e-commerce sellers a durable, branded box for direct-to-customer delivery.
Square Mailing Boxes Specifications
| Box Style | Square shipping/mailer carton with tuck-in or tape-seal flaps |
|---|---|
| Material | Corrugated or heavy SBS paperboard, 32-44 ECT |
| Assembly | Flat-shipped, folds and seals in seconds |
| Best For | E-commerce shipping, subscription boxes, direct mail |
| Print Options | Full-color CMYK exterior and interior print |
| Order Volume (MOQ) | 100 units minimum |
| Shipping | Flat-pack shipping minimizes warehouse storage space |
Built for the Shipping Journey
A mailing box has different priorities than a retail display box: it needs to survive transit, protect the contents from crushing, and carry your branding through the unboxing moment at the customer’s door. Square Mailing Boxes use heavier board or corrugated stock than our general square box line, with reinforced corners and tape-seal or tuck-in flap options built specifically for the outbound shipping process, not shelf display.
Common Uses for Square Mailing Boxes
- E-commerce order fulfillment: durable, branded shipping cartons
- Subscription box shipments: consistent monthly mailing packaging
- Direct mail marketing: branded dimensional mailers
- Small parts and product shipping: a compact square shape for cubic goods
Material & Format Options
Corrugated board offers the most crush resistance for heavier items, while heavy SBS paperboard keeps cost down for lighter products that still need a premium unboxing look. Interior printing is available to turn the inside of the box into branded real estate.
Sustainable Packaging You Can Trust
A 2025 McKinsey & Company survey found over 60% of U.S. consumers pick green packaging when they have the choice. Crat Packaging offers recyclable and FSC-certified board options…
Who Buys Square Mailing Boxes Wholesale
- E-commerce and DTC brands
- Subscription box companies
- Direct mail marketers
- Small parts and light industrial shippers
Why Order From Crat Packaging
- Wholesale pricing with volume tiers for repeat buyers
- Free design support from our in-house packaging team
- Low minimum order quantities for small businesses and startups
- Fast US delivery from domestic production facilities
- Reinforced corners and flaps built for transit, not just display
- Interior print options to brand the unboxing moment
How to Order
- Send us your dimensions, material preference, and print needs
- Receive a free digital proof for review within 24-48 hours
- Request an optional physical sample before committing to a full run
- Approve the proof and we print, produce, and ship your order
Frequently Asked Questions
Are these strong enough for shipping, not just retail display?
Yes, Square Mailing Boxes use corrugated or heavy board stock with reinforced flaps specifically built for the shipping process.
How is this different from your general Square Boxes?
Mailing boxes use heavier, transit-rated material and tape-seal or tuck-in flaps designed for shipping, while our general Square Boxes line is built more for retail and gift use.
Can I print on the inside of the box?
Yes, interior print options let you brand the unboxing experience, not just the exterior.
What’s the minimum order quantity?
100 units minimum.
Do you offer corrugated for heavier products?
Yes, corrugated stock is available for items needing more crush resistance during transit.
Can these be sealed without tape?
Yes, tuck-in flap options are available alongside standard tape-seal closures.
Shop with Confidence
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