Brighten someone’s day with the Grandma Knows 4" x 6" Post Card—a witty and charming postcard that celebrates the wisdom, humor, and unmistakable personality of grandmas everywhere. Printed on premium glossy cardstock at the classic 4″ × 6″ postcard size perfect for mailing, gifting, or framing, this postcard delivers * laughter and love with every send*.

Whether it’s a note to grandma, a keepsake to send with grandchildren, or part of a snail-mail surprise, this postcard is a delightful way to share laughs and memories. The durable glossy finish and vibrant print quality ensure that your message stands out and stays cherished long after it’s received.

💌 Why You’ll Love It

• Classic 4″ × 6″ Postcard Size: Ideal for standard postcard mailing—no envelope needed and ready to send with a single stamp.

• Funny & Relatable Theme: Perfect for anyone who appreciates grandma’s humor, life lessons, or that special “knows it all” charm that’s part of grandma magic.

• Premium Glossy Print: Crafted with high-quality materials that make colors pop and images look great whether mailed or displayed.

• Perfect for All Occasions: From birthdays and holidays to “just because” moments, this postcard is a thoughtful and fun way to send a smile.

🎁 Great For Gifting & Snail Mail Fun

Send it to grandma herself, slip it in a gift, or add it to a bundle for grandparents’ day—this postcard is sure to spark joy, laughs, and heartfelt stories that family members will treasure. Pair it with a loving message, and you’ve created a keepsake that connects across the miles.

Design Yourself: Please download the Print Guide below if you want to design yourself using PSD, AI, ID, etc. All files must be 300dpi and CMYK in PDF format for final printing.

• Personalize
• Print Guide
• Delivery

• Personalize these 4" X 6" Postcards adding your one-line personal messages on the front. Then add your text, images, logos or artwork on the back with our easy to use Personalizer.

• Print Guide: Download this print guide if you want to design yourself.

  

  
  

• Our normal turn around time is 1 - 3 business days to receive your proof for approval. Once approved by you 5 - 7 business days to ship your cards.