If you’ve ever wondered what size envelope best fits a 5×7 card, look no further! Whether you’re mailing invitations, thank you cards, or custom-designed greeting cards, the right envelope size can make all the difference in ensuring your cards arrive beautifully and professionally.
The Perfect Fit: A7 Envelopes for 5×7 Cards

Our collection of A7 envelopes offers a variety of textures, colors, and paper weights, so you can find the perfect envelope to complement your card’s design. Plus, we offer matching A7 cards and paper to give your stationery that extra coordinated touch.
Pro Tip: When selecting envelopes, remember that you want them slightly larger than your cards for an easy fit and an elegant finish (Between 1/8 – 1/4 inch larger than your cards themselves is best).

If your stationery includes additional elements like inserts, ribbons, or wax seals that add extra thickness, you might need a bit more room. In this case, we recommend sizing up to our A7.5 envelopes, which measure 5 ½ x 7 ½ inches.
This extra space will accommodate your bulkier invitations or direct mail campaigns, ensuring they stay intact without bending or crumpling.
Try Before You Buy: Order Envelope Samples
When deciding on the perfect envelope size, color, and style, it’s always a great idea to order samples. This way, you can see how the envelope fits your card in person, feel the paper quality, and even test out printed addressing styles. Ordering samples is simple:
How to Order Blank Envelope Samples
To order blank envelope samples, navigate to the product page of your choice and click on “sample add to cart.”
How to Order Printed Envelope Samples
To order printed samples, just add a sample printing charge and up to three envelope samples to your cart.
Bonus Tip: Use code SAMPLES at checkout for free shipping on your envelope samples!
Explore Our Envelope Collection
Whether you’re looking for A7 or A7.5 envelopes, our wide range of styles, textures, and colors will help you find the perfect match for your 5×7 cards. Shop now to discover high-quality envelopes designed to elevate your stationery, and don’t forget to order samples to find the best fit!
By following these guidelines, you’ll ensure that your 5×7 cards arrive in style—without any stress or guesswork!
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