Illustration of an A2 envelope seen from the back with the square flap | ColorCopiesUSA

A2 envelopes are small and elegant, with the square flap.

Why do people choose "A" envelopes instead of other models?

The "A" series of envelopes is designed using the metric international system, so the sizes of the envelopes are all proportional to one another. What this means is that one envelope will always fit in the next bigger envelope. 

"A" envelopes are popular because it is elegant to send an invitation for a business event, or a wedding as examples, and you can insert the return envelopes and cards. Everything will look harmonious. The paper, colors and other details will match in between the different sizes of "A" envelopes.

Size: A2 envelopes(4-3/8" x 5-3/4") are light, square and have a rectangular flap.

When to use A2 Envelopes:

 This envelope is ideal for invitations, greeting cards, thank you cards,and is elegant when you send letters. 

This is the smaller version within the "A" series of envelopes so it can also be used as RSVP, and contain a card as big as 4-1/4" x 5-1/2". The card could either be a flat or a fold-over card.

Sealing: The way to activate the sealing of this envelope is by  means of moisture. A humid, non-dripping cotton pad is  the ideal way of applying the moisture on the adhesive blue inside the flap of the envelope.

Customization:  We can print either a "static" image and information in all of your envelopes, or personalize each of them with data provided. When sending letters or invitations, ColorCopiesUSA can print each name and each address on the front of the envelopes.

This is a list of all of the available "A" envelopes for your information.

Card Size - single or foldedFits EnvelopeEnvelope Size
  4-1/4  x 5-1/2A2 (invitation)4-3/8 x 5-3/4
  4-1/2  x 6-1/4A64-3/4 x 6-1/2
  5 x 7A75-1/4 x 7-1/4
  5-1/2 x 8-1/2A95-3/4 x 8-3/4
 5-3/4 x 9-1/4A106 x 9-1/2

 

Minimum size to mail reply envelopes

The minimum size of an elope that can be mailed using the United States Postal Service is 3.5"x 5"

 

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Zach Taylor - 2025-04-16 - 5 / 5 stars
Fast, Reliable, Quality. I needed 450 copies of my newsletter to go out to my membership. I contacted Colorcopiesusa, and they got my copies to me within 3 days. Excellent service, great quality! So happy with the outcome!
10/10 Recommend Color Copies USA - 2025-04-14 - 5 / 5 stars
Color Copies USA delivered excellent service and high-quality results. While in Fort Lauderdale, we needed some last-minute items printed. Other shops did not respond, but Color Copies was timely and helpful. Vivienne, our representative, was knowledgeable, solution-oriented, and friendly. We received a great rate for our printing needs, and pickup was seamless. We will keep them in mind for future projects. If you're considering them for your business printing, look no further! Thanks again to the team for everything!
Jazmin Rochestie - 2025-04-13 - 5 / 5 stars
Super helpful and courteous and prompt!
Dwayne dixon - 2025-04-12 - 5 / 5 stars
Great customer service
Pam Taylor - 2025-04-11 - 5 / 5 stars
Fantastic Customer Service. Quick response and so accommodating! I teach in Massachussetts, but I refer all my big printing jobs to Color Copies USA.
Cynthia Hays - 2025-03-29 - 5 / 5 stars
Beautiful, vibrant colors and fast delivery. The colors are beautifully vibrant! The copies were delivered within days.
Robert Vaessen - 2025-03-28 - 5 / 5 stars
Color Copies USA for the win! This was the second time I selected Color Copies USA for my personal hobby. Rapid responses to all my questions. Flexible staff, provided helpful and friendly recommendations. The printers made adjustments as needed, without any hassle. Product arrived defect and damage free. Production and shipping were super fast. I'll select them again and again - And; U.S. Based!