Invitation Envelopes in Many Sizes, Styles and Colors

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Order Invitation Envelopes and get FREE shipping! Choose from many sizes, styles, and colors. Perfect for invitations, cards, photos or special events. Invitation Envelopes are the ideal complement to your invitations. Announce your event in style, and select a color that matches the theme of your event. We offer many sizes to choose including A1, A2, A4, A6, A7, A8, A9, and A10. Check out our invitation envelopes size guide below to help you choose the perfect envelope for your exact needs.

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Invitation Envelopes are available in a cost-effective standard gum closure -- requiring moisture to seal -- or a convenient self seal option. Choose from heavier weight paper for mailing, or standard weight - ideal for many uses. You can even choose extra smooth Cougar paper in white or natural to give your invitations a polished and high-end look and feel. Need your envelopes personalized? Save time and impress your audience by adding return and/or mailing addresses, custom artwork or designs, and more.

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Invitation Envelopes

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Invitation Envelopes

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A1 Invitation Envelopes
(3 5/8 x 5 1/8)

A1 Envelopes are the perfect size envelope for response cards and RSVP cards. They are small enough to fit inside larger envelopes such as A6, A7, A8, and A9. These envelopes are commonly paired with larger envelopes and used for return mailing. Shop A1 Invitation Envelopes.

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A2 Invitation Envelopes
(4 3/8 x 5 3/4)

A2 Envelopes are a bit larger than A1 envelopes and are also commonly used as response and RSVP cards. Pair with a larger envelope to complete the formal invitation package. Choose from a variety of colors, or select white, ivory or bag kraft for a more natural look. Shop A2 Invitation Envelopes.

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A4 Invitation Envelopes
(4 1/8 x 6 1/8)

A4 Envelopes -- also referred to as 4x6 envelopes -- are often used to send small invitations, photos, return or RSVP cards, or personal notes. Use them for special occasions or for everyday use. We offer 4x6 and A4 envelopes in a variety of colors. Shop A4 Invitation Envelopes.

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A6 Invitation Envelopes
(4 3/4 x 6 1/2)

A6 Envelopes are often used to send invitations, announcements, small cards, photos and more. Choose an A4 envelope for mailing 4x6 photos, or an A6 to send a thicker 4x6 invitation card. These envelopes are commonly paired with A1s or A2s.

Shop A6 Invitation Envelopes.

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A7 Invitation Envelopes
(5 1/4 x 7 1/4)

A7 Envelopes -- also referred to as 5x7 envelopes -- are most commonly used for 5x7 invitations, greeting cards, or announcements. Complete your invitation package and include an RSVP or return card with an A1 or A2 envelope. A7 envelopes also fit inside an A9 or A10. Shop A7 Invitation Envelopes.

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A8 Invitation Envelopes
(5 1/2 x 8 1/8)

A8 Envelopes are slightly larger than A7 envelopes and used to send cards, invitations, and more. Pair with a smaller envelope such as an A2, A4, or A6 to use as response or RSVP cards. Offered in a variety of colors that match our smaller A series selection.

Shop A8 Invitation Envelopes.

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A9 Invitation Envelopes
(5 3/4 x 8 3/4)

A9 Envelopes are commonly used as an outer envelope when mailing invitations or announcements. Large enough to include an invitation and A7 envelope or return/RSVP card along with an A1/A2 envelope. Perfect for mailing 5 1/2 x 8 1/2 cards or invitations. Shop A9 Invitation Envelopes.

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A10 Invitation Envelopes
(6 x 9 1/2)

A10 Envelopes -- also referred to as 6x9 invitation envelopes -- are the most popular envelope used as an outer envelope for special events. Large enough to include an invitation and A7 envelope and return/RSVP card along with an A1/A2 envelope, with room to spare.
Shop A10 Invitation Envelopes.

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Baronial Invitation Envelopes
(Pointed Flap)

Planning a wedding or elegant event? Baronial envelopes feature a pointed flap providing a distinct look for invitations. We offer them in ivory, white, natural, and ecru. Choose from popular sizes including #4 (3 5/8 x 5 1/8), #5 1/2 (4 3/8 x 5 3/4), and Lee (5 1/4 x 7 1/4). Shop Baronial Invitation Envelopes.

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Square Invitation Envelopes

We offer square envelopes in a variety of popular sizes including 5, 5 1/2, 5 3/4, 6, 6 1/2, 7 1/2, 8 1/2, and 9 inch varieties. Choose from white, natural, bag kraft, black, and transparent. Square invitation envelopes help your invitations stand out and get noticed. Shop Square Invitation Envelopes.

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Foil Lined Invitation Envelopes

We offer a variety of foil lined invitation envelopes. Choose from gold, silver, and red foil linings in white or natural envelopes. Made from high-quality paper with a standard gum seal, you can select from many popular sizes including A2, A6, A7, A8, A9, and A10. Shop Foil Lined Invitaton Envelopes.

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Custom Invitation Envelopes

Need to personalize your invitation envelopes? We offer a variety of printing services to create something truly special for your event. Add return or mailing addresses with custom artwork or designs. Save time by pre-printing event information or addresses. Shop Custom Invitation Envelopes.

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Not finding what you need? Have a question about a printed order? We would love to see if we can make your order - and life - a little bit easier.

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Invitation Envelopes Size Guide

Not sure what size you need? Our guide can help you pick the right invitation envelope. As a general rule of thumb, you will want to select an envelope slightly larger than your insert, to make it easy to add and remove your item. Depending on the thickness of your insert, you may need more or less room around the item.

    A Series -- Most popular sized invitation envelopes.

    • A1 - 3 5/8 x 5 1/8 - Typically used for an RSVP envelope. Fits inside an A6, A7, or larger.
    • A2 - 4 3/8 x 5 3/4 - Typically used for an RSVP envelope. Fits inside an A6, A7, or larger envelope.
    • A4 - 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. Most common size for invitations and cards.
    • 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 to 5 7/8 x 9 3/8.

    Baronial -- Pointed flap envelopes for special occasions.

    • #4 Bar - 3 5/8 x 5 1/8 - Typically used for an RSVP envelope. Fits inside a # 5 1/2 Bar or Lee Baronial.
    • #5 1/2 Bar - 4 3/8 x 5 3/4 - Typically used for an RSVP envelope. Fits inside a Lee Baronial.
    • Lee Baronial - 5 1/4 x 7 1/4 - Also known as a 5x7 envelope. Most popular for invitations and cards.

    Square -- Unique envelopes sized for popular square invitations.

    • 5 x 5 - Comfortably fits a card or invitation up to 4 3/4 x 4 3/4.
    • 5.5 x 5.5 - Comfortably fits a card or invitation up to 5 1/4 x 5 1/4.
    • 5.75 x 5.75 - Comfortably fits a card or invitation up to 5 1/2 x 5 1/2.
    • 6x6 - Comfortably fits a card or invitation up to 5 3/4 x 5 3/4.
    • 6.5 x 6.5 - Comfortably fits a card or invitation up to 6 1/4 x 6 1/4.
    • 7.5 x 7.5 - Comfortably fits a card or invitation up to 7 1/4 x 7 1/4.
    • 8.5 x 8.5 - Comfortably fits a card or invitation up to 8 1/4 x 8 1/4.
    • 9x9 - Comfortably fits a card or invitation up to 8 3/4 x 8 3/4.

Need Something Special?

If you need special envelopes, or a certain color, or paper, please Contact Us for more information. We have a variety of items available for special order, that are ready to ship within 1-2 business days.

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