Invitation Envelopes By Size

A1 Envelopes

The most popular size for response envelopes, (A1) 3 5/8 x 5 1/8 envelopes accommodate (A1) 3 1/2 x 4 7/8 cards. They're also great for note and thank you cards.

A2 Envelopes

(A2) 4 3/8 x 5 3/4 envelopes are made for 4 1/4 x 5 1/2 (A2) or quarter fold cards. Shop hundreds of colorful A2 envelopes for reply cards, note cards, greeting cards, stationery, and more.

A6 Envelopes

Not too big, not too small, (A6) 4 3/4 x 6 1/2 inch envelopes are perfect for housing 4 x 6 photos, cards, invitations, save the dates, and more. Choose from all kinds of fun colors and finishes and order blank or professionally printed.

A7 Envelopes

One of the most popular invitation envelope sizes, (A7) 5 1/4 x 7 1/4 envelopes fit standard 5 x 7 cards and come in a huge variety of colors, finishes, and styles.

A7.5 Envelopes

Slightly larger than a standard A7, A7.5 envelopes measure 5 1/2 x 7 1/2 inches. Use as a stand-alone outer invitation envelope or coupled with it's corresponding A7 for a contemporary double envelope option.

A8 Envelopes

A8 envelopes measure 5 1/2 x 8 1/8 and accommodate 5 3/8 x 7 3/4 (A8) cards. Choose from several finishes and use for invites and stationery designs of all sorts.

A9 Envelopes

The envelope size you need for those half fold cards, A9 envelopes measure 5 3/4 x 8 3/4 and are made for 5 1/2 x 8 1/2 (A9) cards, invitations, and correspondence.

A10 Envelopes

Measuring 6 x 9 1/2 inches, A10 invitation envelopes are large, distinguished, and sure to stand out in a mailbox. Choose from a collection of colors and finishes ranging from classic to contemporary.

#10 Square Flap Envelopes

Perfect for business correspondence and slim stationery, No. 10 4 1/8 x 9 1/2 envelopes come in several colors, finishes. and formats that will set your design apart from the rest.

5 7/16 x 7 7/8 Envelopes

Timeless in style, 5 7/16 x 7 7/8 (a.k.a "jumbo") envelopes are offered in white and cream, linen and smooth, and feature a pointed flap. They're perfect for invitations just a bit larger or bulkier than your average 5 x 7.

6 x 8 1/4 Envelopes

6 x 8 1/4 baronial flap envelopes (or "tiffany" as LCI staff says) are also a timeless choice - white and cream, pointed flap, heavy weight, perfect for elegant invitations of all sorts.

6 x 9 Envelopes