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Happy Birthday Postcards – Custom Client Greetings on 6x4 Inch Premium Cardstock

SKU: PC50030

$0.89

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Our happy birthday postcards are the ideal tool to connect with your customers, clients, and friends by sending personalized birthday greetings that leave a lasting impression. These 6x4 inch postcards use premium coated cardstock to ensure vibrant colors and durability, making your birthday marketing postcards stand out in every mailbox. Designed by Swirly World Designs, these client birthday postcards combine retro modern birthday cards style with practical business birthday cards features that help you show customer appreciation effectively.

Each postcard measures 6 inches by 4 inches, printed on quality 160# premium coated cardstock for a professional feel and long-lasting finish. You can add your logo, company name, photo, and contact information on the backside to reinforce your brand identity. Address lines are optional, giving you flexibility in how you send your personalized birthday wishes.

Features and benefits:

- Add logo postcard option → strengthens brand recognition with every greeting
- Custom birthday cards design → tailored to fit your business or personal style
- Premium coated cardstock → ensures vivid colors and durability for a premium look
- 6x4 inch postcard size → fits standard mailing requirements and stands out in the mail
- Retro modern birthday cards aesthetic → appeals to a broad audience with a fresh yet nostalgic look
- Client birthday postcards format → perfect for business or customer appreciation campaigns
- Birthday marketing postcards use → boosts customer engagement and loyalty through thoughtful greetings
- Personalized birthday wishes inclusion → creates a meaningful connection with recipients

These happy birthday postcards serve as effective customer appreciation cards that enhance your outreach efforts. Tested for print quality and durability, they maintain their vibrant appearance even after mailing. Whether you’re sending business birthday cards or personal messages, these postcards deliver measurable results in client retention and satisfaction.

Choose these birthday greeting cards to make every client birthday greeting memorable. With easy customization options and professional printing standards, your message will stand out while showing genuine care. The combination of quality materials and thoughtful design ensures your marketing efforts translate into stronger relationships.

Make your next campaign more impactful by using these happy birthday postcards from Swirly World Designs. They provide an affordable yet high-quality way to say happy birthday while promoting your brand effectively.

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Discount applies automatically at checkout once your cart qualifies.

QtyDiscount
100+ 10%
150+ 15%
200+ 20%
250+ 25%
500+ 30%
1000+ 40%

Our happy birthday postcards are the ideal tool to connect with your customers, clients, and friends by sending personalized birthday greetings that leave a lasting impression. These 6x4 inch postcards use premium coated cardstock to ensure vibrant colors and durability, making your birthday marketing postcards stand out in every mailbox. Designed by Swirly World Designs, these client birthday postcards combine retro modern birthday cards style with practical business birthday cards features that help you show customer appreciation effectively.

Each postcard measures 6 inches by 4 inches, printed on quality 160# premium coated cardstock for a professional feel and long-lasting finish. You can add your logo, company name, photo, and contact information on the backside to reinforce your brand identity. Address lines are optional, giving you flexibility in how you send your personalized birthday wishes.

Features and benefits:

- Add logo postcard option → strengthens brand recognition with every greeting
- Custom birthday cards design → tailored to fit your business or personal style
- Premium coated cardstock → ensures vivid colors and durability for a premium look
- 6x4 inch postcard size → fits standard mailing requirements and stands out in the mail
- Retro modern birthday cards aesthetic → appeals to a broad audience with a fresh yet nostalgic look
- Client birthday postcards format → perfect for business or customer appreciation campaigns
- Birthday marketing postcards use → boosts customer engagement and loyalty through thoughtful greetings
- Personalized birthday wishes inclusion → creates a meaningful connection with recipients

These happy birthday postcards serve as effective customer appreciation cards that enhance your outreach efforts. Tested for print quality and durability, they maintain their vibrant appearance even after mailing. Whether you’re sending business birthday cards or personal messages, these postcards deliver measurable results in client retention and satisfaction.

Choose these birthday greeting cards to make every client birthday greeting memorable. With easy customization options and professional printing standards, your message will stand out while showing genuine care. The combination of quality materials and thoughtful design ensures your marketing efforts translate into stronger relationships.

Make your next campaign more impactful by using these happy birthday postcards from Swirly World Designs. They provide an affordable yet high-quality way to say happy birthday while promoting your brand effectively.

ORDER

To place an order on our website, please fill out the form below 😊

SPECS
  • Standard Postcard (4 in. x 6 in.)
  • Oversized Postcard (5.5 in. x 8.5 in.) 
  • Address lines on the back are optional and can be deleted. 
  • High-quality 16pt coated gloss or matte recycled card stock.
DESIGNER

Need designer assistance? We’re happy to help! Simply share your details in the order form below, and we’ll email your custom proof within 24 business hours for your approval before printing.

Questions? Just click “CHAT.”

PROOFS

Complimentary Proof Before Purchase?

You may request a complimentary proof before ordering. If you'd like to preview your personalized design first, we're happy to help.

Text: 714-926-8495
Email: swirlyworlddesigns@gmail.com

Please include the design SKU and your customization details (names, wording, logo, colors, etc.).

We’ll create your proof and send it via email for review before you place your order.

SHIP

PLAIN CARDS - NO CUSTOMIZATION: 

• Sent to production in 1 business day. 

• Production/Transit time 6 business days.

CUSTOMIZATION ON CARDS/INVITES:

• Sent to production upon proof approval.

• If you self-edit your cards & approve, we'll send to production right away!

• Upon approval, production/ship 6 business days.

*You should receive your order within 1 week!