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Exploring 9 Different Types of Envelopes

Exploring 9 Different Types of Envelopes

Envelopes are fundamental, everyday objects that are normally used in offices to post letters, documents, greeting cards, postcards, and more. Despite the fact we are all familiar with them, the different types and sizes might be a bit confusing when it comes to personalised envelope printing.

Therefore, we've compiled a list of the most frequently used envelope styles and sizes that you're likely to encounter in a UK or Irish office environment to help you explore different printing options. Read on to learn about different types of envelope printing [hyperlink these two words] that you can get for your company.

 

What are the common Envelope Sizes in the UK?

When it comes to UK sizes, there are four primary categories to consider:

  • DL Envelopes: The most popular envelope size in the UK is 220mm wide by 110mm deep in size and has enough space to accommodate an A4 sheet folded in three. It has the most effective dimensions because a sheet of A4 paper completely occupies both the height and width of this envelope.
  • C5 Envelopes: The second most popular size in the UK is the A5 size which measures 229mm wide by 162mm deep. and has enough space to accommodate an A4 sheet of paper that is folded in two.
  • C4 Envelopes: This oversize A4 measures 324mm wide by 229mm deep (Flap is on the Top LONG edge as you look at it) in size will allow you to fit a full-sized, unfolded A4 paper sheet into it. Most of the time, these are used to transport documents that need to be kept straight, such as brochures and tenders.
  • C6 Envelopes: This smaller type of envelope measures just 162mm wide by 114mm deep and can accommodate an A4 sheet of paper (folded four times) or A5 paper (folded once).

Gusset envelopes are larger in size and offer extra 25mm capacity over standard ones if you want to insert material such as book or catalogues

 

Different Types of Envelopes available

Although printing technology advancements have accelerated, printed and handwritten letters and documents continue to play a significant role within the business sector.

It is critical to select the appropriate type for different postal purposes. Here is some information about the different types that are available for custom printing:

 

1. Airmail Envelopes

If you need to send some critical mail overseas urgently, you would have your post sent by air. However, did you know that there is a specific, dedicated type of envelope that is used to transport your post this way? These are referred to as ‘Airmail Par Avion’ envelopes.

The fact that it is often faster than surface post attracts a large number of people who utilise this method of communication, especially when sending out internationally.

 

2. Gusset Envelopes

In comparison to a conventional envelope, gusset envelopes are larger in size and offer extra 25mm capacity over standard ones if you want to insert material such as book or catalogues. Gusset envelopes with and without windows usually have the same flap type (Peel & Seal), resulting in longer shelf life and better security due to the stronger seal.

 

3. Window Envelopes

Printed Window Envelopes are commonly used for invoices, posting cheques and other official business correspondence.

As the name implies, the front side has a cut hole in it with a transparent plastic, allowing the receiver to see what is within. The format of the paper sheet inside is laid out eliminating the need to write the recipient's address on the outside.

Normally, there is just one window; however, there are several instances where there are two windows.

Printed Window Envelopes are commonly used for invoices, posting cheques and other official business correspondence

 

4. Square Envelopes

When it comes to sending out posted invites to social events, weddings and parties , this style is more common than the others as it’s seen as more informal.

They are sealed with a lickable gum normally and can also be used for packaging small, delicate goods.

 

5. Board Back Envelopes

Board-backed envelopes are perfect for mailing documents through the post or by courier, as they won't bend or wrinkle during travel. They may feature flaps that are easy to peel &-seal and the words 'Please Do Not Bend' already pre-printed in red on them. They can be customised in any way to add other instructions to the envelope.

 

6. Banker Envelopes

If you go to the stationery store and ask for a conventional envelope, they may give you this type of envelope. They were the most commonly used type of envelopes in the world pre-internet and the digital era. They have triangle flaps and are frequently utilised within the greeting cards industry, as well as for personal correspondence cards normally.

Inter-office communication can also carried out through them especially from solicitors. They are available in a wide variety of colours and sizes, although standard White is commonly used for office supplies, whereas the other colours are typically used for personal greeting cards and invitations.

 

7. Wallet flap Envelopes

Wallet envelopes got their name because they have a design that looks similar to a wallet and have the flap on the Long edge as standard. Automated mailing “fulfilment” machines are a popular application. The trapezoidal straight flaps make automatic insertion easier because they are straight.

In addition to direct mail, they are also used to send out various types of correspondence.

Wallet envelopes got their name because they have a design that looks similar to a wallet and have the flap on the Long edge as standard

 

8. Pocket flap Envelopes

Pocket envelopes are the same size as Wallet envelopes, but their flap is on the short edge at the side.

They can be used to hold and posted receipts and vouochers as well as passport photographs, travel money and other items.

 

9. Catalogue Envelopes

These envelopes are not only used for posting but may also be used to store insurance policies, resumes, wills, publications, reports and catalogues, all of which should be left unfolded.

These open like a book allowing you to see everything inside without opening it all the way! The thickness and size of the enclosures determine its dimensions with a few sizes available.

 

Explore Different Types of Envelope Printing with Trade Printing UK

It is always beneficial to be aware of the different types of envelopes and the functions they perform. Now that you know which type of envelopes you require for your needs, contact Trade Printing UK to get your customised envelopes. We have a wide range of envelope printing options, including eco-friendly solutions. Visit our website today to design and print your customised envelopes in no time.