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White Coated E-Flute

Our White Coated E-Flute material is a sturdy cardboard, used for packaging and great for protecting whatever's inside. With a clean white coating that makes your printed designs pop.

White Coated E-Flute

Our White Coated E-Flute material is a sturdy cardboard, used for packaging and great for protecting whatever's inside. With a clean white coating that makes your printed designs pop.

Available weights

  • 400gsm

Best for

  • Packaging 
  • Postage

Credentials

  • Recyclable
  • Approx. 2mm thick
  • Rigid

Guide to perfect print

Get your print to the presses perfectly with everything you need to get set up

Sample Packs

Get a feel for our range of quality products, papers and special finishes in our free Sample Packs.

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Downloadable Templates

Use our free templates to create your artwork and make sure your print is set up perfectly for the presses.

Find A Template

Bespoke Service

Can’t find the print you’re looking for? From unique papers to custom sizes and finishes, our Bespoke Team can help with your request.

Get A Quote

Safe area

Templates

Template Size
255mm x 168mm x 22mm Mailer Box (assembled size)
File type
Illustrator
Download

Quick tips to print perfection

Which file types can I use? arrow
We like to be as flexible as possible, so you can upload your files as PDF, JPEG, TIFF and PNG. PDF's and JPEGs are the most accepted file type across all our products, so we recommend using those wherever possible.
What is bleed? arrow
Bleed is an area of print outside the document that must be added to your artwork before it’s sent off for print. By adding the all-important bleed (a minimum of 3mm on all edges), there’ll be no risk of white space left on your document and it'll be trimmed correctly without cutting into any design. Some products require a different amount of bleed, so be sure to check our downloadable templates to find out the correct amount.
What is safe area? arrow
The safe area is the space inside where your print will be trimmed. Keeping any important parts of your design away from this area will make sure that they aren’t accidentally trimmed off due to the natural movement while your print gets finished. Our downloadable templates will indicate the recommended amount of safe area for your print.
What’s the difference between RGB and CMYK? arrow
​​RGB is the colour gamut used to display images on a computer screen, and stands for Red, Green and Blue. CMYK is the colour gamut used for conventional printing, and stands for Cyan, Magenta, Yellow and Black. Unless you’re printing Gicée Fine Art Prints, Photographic Prints or Mugs, please set up your artwork in CMYK.
What are Versions? arrow
Our Versions service lets you print multiple designs using the same product specifications. For instance, if you have five different designs that share the same size, orientation, and paper stock, you can print them all at once using this service. By opting for Versions, you're increasing your overall quantity, which means you'll enjoy a lower cost per unit. To use Versions, simply select "yes" in the product builder when prompted with "Do you want to print more than one design?". When using Versions, the quantity you enter in the product builder applies to each design. For example, if you choose a quantity of 10 with 5 Versions, you'll receive a total of 50 prints.
What is personalisation? arrow
Personalisation is a simple, cost-effective way to tailor each of your individual prints. You can use personalisation for different text elements like names, addresses, and even personalised messages. However, if the text content on your design is the same for all prints, you don't need personalisation. There are two main options for personalising your print - you can either choose to add the personalised elements to your artwork yourself, or send us your artwork with a placeholder and a CSV containing a list of all the names/ personalised elements, and we’ll merge the two for you.
Why do I need to embed fonts? arrow
If you don’t embed fonts and your document is opened on another computer system that doesn’t have access to the original fonts, different fonts will be substituted instead. This could really affect the look of your finished print. Embedding fonts into your original design will stop them from changing.
Everything you need to know about resolution arrow
Remember to save your artwork out at a minimum of 300dpi resolution. This will ensure that when printed, your artwork quality is as crisp as possible.

Sustainable print

At Printed.com, we want to help you reduce your environmental impact. From using innovative packaging and sourcing eco-friendly papers, to minimising waste and promoting recycling, we’re dedicated to giving you more sustainable choices across our range.

Find Out More
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More information

Discover the perfect solution for your e-commerce packaging needs with our eco-friendly printed Mailer Boxes. These recyclable postal Boxes are designed with a fully customisable exterior and a sleek white interior, and made from robust White Coated E-Flute rigid cardboard which is approximately 2mm thick. Tailored to fit through any post box or letter box, all sizes can be shipped as a large letter, eliminating shipping hassles. With no minimum order quantity, these custom printed Mailer Boxes are perfect for small retailers and independent creators. Supplied flat for easy storage, our branded Mailer Boxes for shipping offer the ultimate blend of convenience and sustainability, making them an ideal choice for businesses looking to enhance their brand visibility and reduce environmental impact.

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Frequently asked questions

Got a question? We might have answered it here. If not, feel free to get in touch with The Team, we’re here to help! 

How long will my print take to arrive?

Find out how quickly you can get your print by filling in your selected options in the product builder, and check out the delivery options at the bottom. You can also explore the available delivery options from your basket once you’ve added a product. 


You’ll notice that if you put multiple items into your basket, they may be sorted into “delivery groups” based on delivery days, in order to help us ship your items as quickly and efficiently as possible. Find out more about delivery groups here.

Once your order has been dispatched you’ll get an email from us which includes a tracking code. You can also easily track the status of your delivery at any time by logging into your Account and checking the Orders page. 

Find out more about our delivery services here, including details of delivery options based on your region. 

How do I set up my artwork for print?

Do you provide downloadable templates? 

On most of our product pages, you can find free downloadable templates to help you set up your artwork for print. They’re available in AI, IDML and PDF formats to suit the design software you’re working in. Our downloadable templates include key information on creating artwork as well as instructions on how to save out your print-ready PDF. 

What is bleed? 
Bleed is an area of print outside the document that must be added to your artwork before it’s sent off for print. By adding the all-important bleed (a minimum of 3mm on all edges), there’ll be no risk of white space left on your document and it'll be trimmed correctly without cutting into any design. Some products require a different amount of bleed, so be sure to check our downloadable templates to find out the correct amount. 

What is safe area? 
The safe area is the space inside where your print will be trimmed. Keeping any important parts of your design away from this area will make sure that they aren’t accidentally trimmed off due to the natural movement while your print gets finished. Our downloadable templates will indicate the recommended amount of safe area for your print. 

What’s the difference between RGB and CMYK?
​​RGB is the colour gamut used to display images on a computer screen, and stands for Red, Green and Blue. CMYK is the colour gamut used for conventional printing, and stands for Cyan, Magenta, Yellow and Black. Unless you’re printing Gicée Fine Art Prints, Photographic Prints or Mugs, please set up your artwork in CMYK. 

Why do I need to embed fonts? 
If you don’t embed fonts and your document is opened on another computer system that doesn’t have access to the original fonts, different fonts will be substituted instead. This could really affect the look of your finished print. Embedding fonts into your original design will stop them from changing. Find out how to embed your fonts here.

How to export a PDF 
Exporting your design into a print-ready PDF is easy. We’ve created some handy video guides which will take you through the process which you can find here.

Find lots more artwork tips here, including if you’re printing any special finishes such as foiling. For products with multiple pages, such as Brochures or Booklets, explore our book printing guide here. 

What size are Mailer Boxes?

Custom Printed Mailer Boxes come in two convenient standard sizes once assembled: 


  • 255mm x 168mm x 22mm
  • 100mm x 100mm x 22mm 
Both sizes are designed to be shipped as a large letter, making them ideal for any business looking for efficient shipping solutions.

How do I build Mailer Boxes for shipping?

Our Mailer Boxes arrive flat for easy storage and can be assembled by simply folding the sides and closing the lid. No tools or adhesives are needed. For any questions or assistance, our support team is ready to help!

Can I print on the outside and inside of my Mailer Boxes?

Currently, our Mailer Boxes include printing on the outside only. However, if you're looking to add a personal touch to the inside as well, we can certainly make that happen! Simply get in touch with our Bespoke Team, and they’ll be delighted to discuss your specific needs and provide you with a tailored solution. We're all about helping small business owners like you create something truly unique.

How do Mailer Boxes arrive?

Our Mailer Boxes are supplied flat-packed for easy storage. This means you can keep a stack of them without taking up much space in your shop or warehouse. Once you're ready to use them, simply fold them into shape - it's a breeze! Whether you're looking to showcase your brand or elevate the unboxing experience with a custom design, our Boxes come in a variety of sizes to fit your needs. They're also recyclable and fully customisable, with your design on the outside and a sleek white finish on the inside. Perfect for small business owners, e-commerce platforms, and gift shops looking to make a lasting impression!
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