Envelopes By Size

Envelopes By Size

Choose from a huge selection of envelope sizes in both announcement and corporate styles! We carry plain and printed envelopes in every category from regular business envelopes to unique square envelopes, mini envelopes, plastic mailers, padded bubble mailers, paperboard mailers, shipping envelopes, and more.3 x 4 1/2 envelopes from Envelopes.com are great for organizing mall items like coins, keys, and jewelry. Try using them for floral messages and other small notes! Available in a variety of colors; not mailable via USPS.

Choosing the Right Envelope Size

Envelopes play a crucial role in everyday communication and mailing. Selecting the appropriate envelope size is essential for ensuring the protection and presentation of your mail. This article will guide you through the different sizes of envelopes available, from standard sizes like #10 and A2 to specialty sizes like square and invitation envelopes. By understanding the factors to consider when choosing an envelope size, you can make informed decisions that meet your specific mailing requirements.

Common Envelope Sizes

Common envelope sizes are widely used for various mailing purposes. The #10 envelope, for example, is commonly used for business correspondence and official documents. It measures 4 1/8 x 9 1/2 inches and fits standard letter-sized paper folded into thirds. The A2 envelope is another popular size, often used for greeting cards and invitations. It measures 4 3/8 x 5 3/4 inches and provides a compact and elegant option for mailing smaller items.

Standard Envelope Sizes

Standard envelope sizes like #10 and A2 are readily available at most stationery stores and are compatible with standard printer settings. When choosing a standard envelope size, consider the dimensions of your contents and the purpose of your mail. Standard sizes are cost-effective and easy to handle, making them suitable for everyday mailing needs.

Custom Envelope Sizes

Custom envelope sizes can be tailored to fit specific contents or branding requirements. While standard sizes are versatile, custom sizes offer a unique and personalized touch to your mail. When opting for a custom envelope size, ensure that it meets postal regulations and does not incur additional postage costs due to non-standard dimensions.

Specialty Envelope Sizes

Specialty envelope sizes cater to specific mailing needs and creative preferences. Square envelopes, for instance, provide a modern and distinctive look for invitations and promotional materials. Booklet envelopes are another specialty size, ideal for mailing catalogs, brochures, and other marketing materials.

Invitation Envelopes

Invitation envelopes are designed to complement event invitations and announcements. They come in various sizes, such as A7 and A9, to accommodate different invitation dimensions. When selecting an invitation envelope size, consider the design of your invitation card and the additional inserts you plan to include. Choosing a matching envelope size enhances the overall presentation of your event invitation.

Booklet Envelopes

Booklet envelopes are larger in size to accommodate bulky or multiple-page documents. They feature a side-opening design that allows easy insertion and removal of contents. Booklet envelopes are commonly used for mailing catalogs, magazines, and booklets. When choosing a booklet envelope size, ensure that it provides enough space for your documents without excessive folding or bending.

Who Can Benefit from This Product

Envelopes in various sizes can be beneficial for a wide range of individuals and businesses. This product is suitable for:

  • Small businesses looking to enhance their branding through customized envelopes
  • Event planners and individuals sending out invitations for special occasions
  • Marketing professionals creating promotional materials for campaigns
  • Students and educators mailing important documents or assignments
  • Anyone looking to add a personal touch to their correspondence

When to Utilize This Product

Choosing the right envelope size is crucial in various situations. Consider using this product:

  1. When sending out official documents or business correspondence
  2. For mailing invitations to events, weddings, or parties
  3. When creating promotional materials for marketing campaigns
  4. For packaging and mailing small items or gifts
  5. When looking to enhance the presentation and professionalism of your mail

Examples of Utilizing Different Envelope Sizes

There are numerous use cases for utilizing envelopes in different sizes. Some examples include:

Mailing Invitations

  • Using A7 envelopes for wedding invitations to accommodate RSVP cards
  • Opting for square envelopes for unique and eye-catching party invitations
  • Choosing A2 envelopes for birthday invitations to fit smaller cards

Business Correspondence

  • Using #10 envelopes for mailing invoices, contracts, and official letters
  • Selecting booklet envelopes for sending out company brochures and catalogs
  • Customizing envelopes with branding elements for a professional touch

Promotional Materials

  • Utilizing specialty envelopes for mailing out promotional flyers and coupons
  • Choosing invitation envelopes for sending out exclusive event invitations
  • Customizing envelope sizes to fit specific marketing materials for campaigns

What Sets Our Product Apart

Our envelopes are designed with quality and functionality in mind, ensuring that your mail is protected and presented in the best possible way. What makes our product special is the attention to detail in every size option, providing a wide range of choices to suit different mailing needs. From standard sizes to specialty envelopes, our product offers versatility and reliability for all your communication requirements.

Quality Materials

Our envelopes are made from high-quality materials that are durable and secure, ensuring that your mail reaches its destination intact. The superior craftsmanship of our product sets it apart from standard envelopes, offering a premium option for your mailing needs.

Customization Options

Our product allows for customization, giving you the flexibility to choose the size, color, and design that best represents your brand or personal style. With custom envelope sizes available, you can create a unique and memorable impression on recipients, enhancing the overall presentation of your mail.

Various Use Cases for Our Product

Our envelopes are versatile and can be used in a variety of scenarios to meet different mailing requirements. Whether you are sending out invitations, business correspondence, or promotional materials, our product is suitable for:

  • Event planners organizing weddings, parties, or corporate events
  • Businesses looking to enhance their branding through customized envelopes
  • Individuals sending out personal correspondence or special announcements
  • Marketers creating promotional materials for campaigns or product launches
  • Educators and students mailing important documents or assignments

Personalized Invitations

Our envelopes are perfect for creating personalized invitations for weddings, parties, or special events. With a variety of sizes available, you can choose the perfect envelope to complement your invitation design and ensure a cohesive presentation.

Professional Business Communication

For businesses, our envelopes offer a professional touch to your correspondence, whether you are mailing invoices, contracts, or official letters. The quality and reliability of our product ensure that your business communication reflects the professionalism of your brand.

Maximizing Your Experience with Our Product

To get the most out of your adventure with our product, consider the following tips and recommendations:

Accurate Measurement

When selecting an envelope size, be sure to measure your contents accurately to ensure a proper fit. Avoid using oversized envelopes for small items, as this can increase postage costs and compromise the presentation of your mail.

Branding Opportunities

Take advantage of the customization options available with our product to enhance your branding. Incorporate your logo, colors, or messaging on the envelope to create a cohesive and professional look for your mail.

Postal Regulations

Before choosing a custom envelope size, check postal regulations to ensure compliance with size and weight restrictions. Non-standard envelope sizes may incur additional postage costs, so it's essential to confirm that your mail meets the necessary guidelines.


Choosing the right envelope size is a critical aspect of effective communication and mailing. By understanding the different sizes available, from standard to specialty envelopes, you can tailor your mail to suit your specific needs. Consider factors such as the contents of your mail, branding opportunities, and postage costs when selecting an envelope size. Real-world examples demonstrate how different envelope sizes can be utilized for various purposes, from business correspondence to event invitations. Whether you are a small business looking to enhance your branding or an individual sending out invitations, the right envelope size can make a significant impact on the presentation and delivery of your mail.

Envelope Size Guide

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