Gray & Black Envelopes | Invitation, Business, Mailing

Shop for gray or black envelopes and get FREE shipping! Choose from popular styles and sizes, including A2, 4x6, A6, 5x7, A7, A9 & 6x9, #10, 9x12 and more! We offer a variety of gray and black envelopes for cards, invitations, business use, or mailings. Most popular sizes include A2, 4x6, A7 (5x7), 6x9, #6 3/4, #10, and 9x12.

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Black Envelopes Size Guide


Not sure what size you need? Our size guide can help you pick the right envelope, for the right reason.

Black Invitation Envelopes -

A2 - 4 3/8 x 5 3/4 - Typically used for an RSVP envelope. Fits neatly inside an A6, A7, or larger envelope.
4x6 - 4 1/8 x 6 1/8 - Often used for 4x6 photos or invitations. Fits inside an A7, A8, A9 or A10 envelope.
A6 - 4 3/4 x 6 1/2 - Commonly used for invitations up to 4 1/2 x 6 1/4. Fits inside an A7, A8, A9 or A10.
A7 - 5 1/4 x 7 1/4 - Also known as a 5x7 envelope. Used for many standard cards and invitations.
A8 - 5 1/2 x 8 1/8 - Used as an outer envelope. Fits a card, invitation, or insert up to 5 1/4 x 8 inches.
A9 - 5 3/4 x 8 3/4 - Used as an outer envelope. Fits cards, invitations, or inserts up to 5 1/2 x 8 1/2.
A10 - 6 x 9 1/2 - Also known as a 6x9 envelope. Outer envelope which fits inserts up 5 7/8 x 9 3/8.

Black Business Envelopes -

#10 (4 1/8 x 9 1/2) - Standard business envelope. Fits an 8 1/2 x 11 piece of paper folded in thirds.
6x9 (Catalog & Booklet) - Mailing envelope. Fits 5 7/8 x 8 7/8 insert, or an 8 1/2 x 11 piece of paper folded.
9x12 (Catalog & Booklet) - Large mailing envelope. Fits 8 7/8 x 11 7/8 insert, or standard 8 1/2 x 11 paper.

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Have a question?

Our Team will be happy to help make your order (and life) a little easier. You can contact us
via email or call
847-425-1070.

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