
How to Use the Best Direct Mail Template for Postcard Mailers?
Since direct mail marketing is back in the game, doing it right can do wonders for your brand! It can create genuine client relationships, boost reputation, and accelerate sales.
So, what can you do to ensure your direct mail marketing campaign’s success? The first element is the copy—appealing and short content to turn heads. The second? Yes, you are right! It is the design.
You require an eye-catching direct mail template that fits your branding and helps convey the message upfront. It should have many aspects, like bright fonts and images, but also be minimalistic. The goal is to make recipients read the mailer instead of getting overwhelmed with too much information or flashy layouts.
Another crucial thing to remember is that your direct mail templates must fit the USPS mailing guidelines based on your preferred format. Thus, a little planning and research is a must! You must learn the requirements to avoid the Post Office charging you extra or sending the items back.
Don’t worry! This blog will help you understand direct mail design templates, their types, sizes, and more!
Direct Mail Postcard Templates for Your Mail Campaigns
You can use postcards to convey short messages and get the reader’s instant attention. Since they don’t use envelopes, recipients must only turn the card around and read your brand’s promotion. It seems simple, right?
However, many brands have started postcard marketing to lure clients and get their business. They use aesthetic backdrops, motivating recipients to stick the postcards to their refrigerators or pin them somewhere.
It increases the organization’s visibility and inculcates recognition. Hence, you must use your direct mailer templates carefully to make the cut, wherein homeowners decide whether to keep or discard a mailpiece.
Postcards are multi-functional, serving many purposes, like cross-selling, upselling, and re-engaging old clients who have stopped purchasing. It is an excellent conversation starter for many businesses. Also, it lets you promote new products and services to target audiences to create a buzz and secure leads.
We can go on and on about postcards’ functionalities, like inviting people to trade fairs, introducing new team members, promoting seasonal discounts, and retaining clients.
Now, let us talk about how to use these functions. Which direct mailer template would be perfect for postcards?
Here are some types you can consider:
4.25 x 5.5 Postcards
These are among the small-sized direct mail templates for postcards to get your messages across quickly. They are more affordable and have a personal touch to them!
Businesses use 4.25 x 5.5 postcards to create a nostalgic effect and make people aware of their products or services without taking much of their time. Instead of visiting the website and reading chunks of information, they can acquaint themselves with your brand in one glance.
Of course, you can still add website links, guides, and digital tutorials to postcards to move prospects ahead in their buying journeys.
4 x 6 Postcards
These cards are similar to the 4.25 x 5.5 ones, with a slightly different orientation. Companies can use these direct mail design templates for sending thank-you notes, event handouts, brand introductions, discount coupons, etc.
Restaurants, hospitals, retail stores, and other businesses use the 4 x 6 postcards to make an excellent first impression and bag sales. They can work on their headings and images to quickly get people to save the cards for future reference.
Please note that these postcards require you to keep the message short and to the point. Try using a direct mail piece template that gives you adequate space without making the card look messy or overwhelming.
5.5 x 8.5 Postcards
Though slightly expensive compared to the above postcards, these mailers are among the most significant head-turners. When someone walks to their mailbox to get their mail, they immediately notice a 5.5 x 8.5 card. It is broader and has more weight than usual postcards.
The high rates make these direct mail templates suitable for high-ticket and account-based marketing. You can use them to promote luxury items and services or request long-term clients for referrals. Since you pay more for these mailers, try using them for low-risk and high-ROI campaigns!
5 x 7 Postcards
The 5 x 7 postcards are more affordable than the 5.5 x 8.5 ones. However, they are more popular for marketing purposes.
They are medium-sized direct mail design templates, helping you keep costs low while still getting the attention of a broader audience. Businesses use them for sending vouchers, lucky draw coupons, congratulations notes, nonprofit marketing cards, checklists, etc.
Some senders enclose the 5 x 7 postcards into envelopes to do something non-conventional and execute a successful mailing campaign.
You can design your direct mail piece template using PostGrid’s automated mailing services. We have a template editor with many pre-built designs you can download and use in PDF/ HTML formats.
6 x 9 Postcards
They come under large-sized postcards to help your marketing campaign receive more attention or buzz. Recipients tend to take pictures of these cards to share on social media. Thus, firms use these mailpieces to conduct cross-channel campaigns to garner better outreach.
You can a large-sized direct mail template to make the best use of the space without making your postcard feel empty. Try being wise about how to place the texts, headings, CTAs, and images to spread the elements in a proper proportion.
Many use high-gloss UV designs for these templates to get a flashy look. They work best for holiday greetings and birthday wishes to stay connected with your existing clients or high-end prospects.
Also, you can use the 6 x 9 direct mail templates to congratulate buyers on completing a milestone, like another year with your organization. You may send a broad postcard saying, “You just turned 2 with us. It was on April 10, 2022, when you first created your account.” It makes people feel appreciated because you remembered the date and congratulated them!
6 x 11 Postcards
They are among the broadest direct mail design templates for postcard businesses can use. However, you can only use them on specific occasions, like when your brand turns ten, and you want to conduct a grand celebration. Or you can send them to cold (yet high-ticket) clients whose business can massively impact your sales targets.
Some senders might ask, “How do I choose the best template?”
Well, there are many factors to consider when choosing a direct mailer template, like the budget, campaign motives, and USPS guidelines. The Post Office has non-negotiable mailing requirements. Thus, you may have to pay surcharges if you don’t follow them!
Luckily, PostGrid’s direct mail API allows you to send postcards at the lowest prices. We also help you keep the size under the USPS-prescribed dimensions to get the best rates.
Also Read: Direct Mail Response Rates
Direct Mail Design Templates for Business Letters and Envelopes
Letters are helpful when you want to convey lengthier messages to target clients. They have more space and are more formal than postcards. Also, you can use them for B2B marketing to contact prospective buyers via repetitive mailings.
Use letter direct mail templates to create appealing designs (as opposed to the traditional letter formats). Try adding shorter paragraphs, quotes, images, and attention-grabbing graphics with interactive colours to help people distinguish your messages from other mailers they receive!
You can do a similar thing with envelopes! Add teasers on the outside, like little post-it notes, that give a sneak peek into what your letter is about. It sounds interesting, doesn’t it?
A letter direct mail template enables you to create and strengthen bonds. It highlights the effort you have put in to compiling a well-written and designed mail piece to connect with them.
Firms can use ready-to-use templates they can personalize quickly for mailings. They can choose from suitable envelope sizes to send these letters, including
- A6 envelopes.
- A7 envelopes.
- #10 regular and window envelopes.
- 6 x 9 envelopes.
- A2 envelopes.
- #9 envelopes.
- 9 x 12 regular and window envelopes.
Also Read: The Right Direct Mail Size for Your Campaign
Every Door Direct Mail Template (EDDM)
Every Door Direct Mail (EDDM) is a Post Office service that allows businesses to send promotional postcards, letters, or brochures to all households in specific neighbourhoods. You can select a locality or ZIP code to target.
It is the best mailing method for companies that don’t have a mailing list and want to target local audiences. However, they need an every door direct mail template to fit the USPS eligibility criteria and ship under this service.
EDDM works best for firms that want to conduct mailings on a low budget or want to put in minimal effort. Also, the USPS has many printing partners whose details you can get from the Post Office for preparing your EDDM mailers.
However, please note that you can only customize the every door direct mail template to a certain extent. The mailers also don’t have the recipient’s name and mailing address. It is better to choose personalized mailings over EDDM if you want your campaigns to be successful and avoid the risk of people throwing your postcards or letters away.
PostGrid’s direct mail automation solution lets you design, print, and send personalized mailers at a low budget. Also, we help you compile targeted mailing lists to connect with people most likely to purchase from your brand!
Also Read: Automated Direct Mail in 2025
USPS-Prescribed Dimensions for Direct Mail Templates
First-Class Mail prices for sending postcards are low. However, you must ensure your direct mail postcard templates fit these USPS dimensions:
- They must be rectangular.
- Postcards must be at least 0.007” thick x 3.5” high x 5” long.
- They must not exceed 0.016” in thickness x 4.25” in height x 6 in length.
If you don’t follow these dimensions, USPS charges your direct mail postcard as a letter, compelling you to pay more.
For letters to be eligible for First-Class Mail shipping, they must be at least 3.5” x 5” x 0.007”. However, their sizes must not exceed 6.125” x 11.5” x 0.25”.
Speaking of an every door direct mail template, you can choose from different postcard sizes, including:
- 6” x 11” medium-sized postcards
- 6.25” x 9” medium-sized postcards
- 8.5” x 11” oversized postcards
- 4.25” x 14” tri-fold menus
Your EDDM letters should also be within the USPS-prescribed specifications. They must be broader than 6.125” in height and 10.5” in length. However, they must now be longer than 15” long or 12” high. The maximum weight cap is 3.03 ounces.
Once you secure these dimensions, using the Every Door Direct Mail template should be simple and affordable!
Also Read: Direct Mail Envelope Teasers
Tips to Properly Use Direct Mail Templates to Impress Potential Clients
You can use the best direct mail piece template to wow your audience. However, you must work on many aspects to make your campaigns successful and get a high ROI.
Here are some design tips that can get you ahead of your competition:
Deep-Edit Your Copy
Read your postcard or letter copy ten times before you send the mailers for printing. Even a single misspelling, swapped character, or typo can ruin your campaign’s mission.
Also, you don’t need a 1000-word essay to go out. Keep it short and sweet, focusing on the primary message and getting people to complete the call to action. The readers must grasp the postcard or letter within seconds.
Keep Adequate White Space Around Elements
White or negative space is essential to let your direct mail templates breathe. It helps you get your target buyer’s attention and motivate them to learn more about your brand from different sources, like your website or social media page.
Please refrain from adding too many background graphics or bright colours that hurt the reader’s eye or distract them from the primary message. Your direct mail templates should appear neat and have warm aesthetics to turn cold leads into hot prospects.
Stay Original
Adding content your readers don’t know about you is an excellent tactic. Try including real-life examples, case studies, customer stories, testimonials, personalized use cases, and other aspects to make the mailpieces interactive and relatable. People should immediately connect with your message and be intrigued to learn more about your product or service.
Inserting an original or genuine message into your direct mail piece template allows you to form long-lasting connections, getting your brand repeat customers for years.
Consider Your Targeted Clients’ Preferences
Your choices must reflect your audience’s tastes because the campaign is to win them over. Also, the images and designs in your postcard, flyer, or letter must make the message pop.
Some direct mail design templates are more about the creatives and less about the promotional message. It can impress people but not contribute to sales. Hence, tap into what buyers need the most, like a solution to dye their hair at home or a financial service to know more about credit cards. Understand their requirements and curate the mailpieces accordingly.
Add your brand’s colours and tone to boost awareness and recall. Also, you might include your logos and other elements.
Keep Up to Your Brand Standards
As mentioned above, choosing your brand’s colours for your direct mailer template is crucial. You can spend thousands of dollars on advertising and still have people not know your brand when you don’t invest in branding.
You can answer questions like
- Which branding aspects are the best to include in your campaign? You may have a punch line or an image people know you by.
- Does your brand use a soft, casual tone? Or is it funny? Keep it consistent throughout the templates. Imagine your sales pitches, social media captions, and other correspondence are usually quirky. Then, adding this voice to your campaigns can make them a hit.
- What quality do you expect your direct mail templates to have?
These answers can help you draft and execute the perfect mailing campaign that boosts your branding initiatives.
Include Broad and Bold-Formatted Texts
Readers want to read your messages in a glance. Hence, increase the font size whenever possible. Also, using bold or underlined formatting for headings and CTAs can make your direct mailer templates more efficient in driving responses.
Distinguish Your CTAs From Other Aspects
Your CTA is among the most significant elements of your postcard or letter. Hence, separate them from the headlines, quotes, offers, and images. Instead, place it at a visible spot, like within a cloud-shaped figure or at the bottom of the mailpiece for maximum visibility.
Prospects are more likely to respond to your offers when they see the CTA without stressing their eyes!
Conclusion
Direct mail marketing drives excellent response and conversion rates. However, you must plan and execute it correctly for it to succeed.
One of the top things to consider is how to use direct mail templates to get people to reply. The trick is to experiment with different formats and sizes until you get a suitable combination. Please note that your mailing objective also matters when making these decisions.
PostGrid’s direct mail services can simplify and speed up the task for companies by allowing them to launch and monitor mailing online.
Talk to our sales team for more information on using direct mail templates to get a high ROI!

