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A9 Envelopes

 

A9 invitation envelopes are a popular, standard envelope size. Measuring 5 3/4 x 8 3/4 inches, they are designed to fit a 5 1/2 x 8 1/2 A9 card (that's half of a standard 8 1/2 x 11 sheet) - easy! A9 envelopes are popular for social and corporate correspondence alike.

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A9 Matte Chocolate Single Lined Envelopes, Radiant White
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A9 Matte Chocolate Single Lined Envelopes, Radiant White
$3.06per 25 Pack
A9 Blast-Off Blue Straight Flap Envelopes, Astrobright 60lb
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Blast-Off Blue Astrobright Envelopes 5 3/4 x 8 3/4 - Straight Flap - Matte
$124.23per 1000 Pack
A9 Cosmic Orange Straight Flap Envelopes, Astrobright 70lb
 
Cosmic Orange Astrobright Envelopes 5 3/4 x 8 3/4 - Straight Flap - Matte
$139.02per 1000 Pack
A9 Pearlescent Silver Single Lined Envelopes, Radiant White
 
White Silver Single Lined Envelopes 5 3/4 x 8 3/4 - Single Lined - Pearlescent
$12.21per 25 Pack
A9 Moonrock Straight Flap Envelopes, Environment 80lb
 
Moonrock Environment Envelopes 5 3/4 x 8 3/4 - Straight Flap - Smooth
$9.22per 25 Pack
A9 Storm Cloud Euro Flap Envelopes, Gmund Colors Matt 68lb
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Storm Cloud Gmund Colors MATT Envelopes 5 3/4 x 8 3/4 - Euro Flap - Matte
$11.00per 25 Pack
A9 Solar White Linen Straight Flap Envelopes, Classic Linen 80lb
 
Solar White Classic Linen Envelopes 5 3/4 x 8 3/4 - Straight Flap - Linen
$212.94per 1000 Pack
A9 Red Lacquer Metallic Straight Flap Envelopes, Curious Metallics 80lb
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Red Lacquer Curious Metallics Envelopes 5 3/4 x 8 3/4 - Straight Flap - Metallic
$11.75per 25 Pack
A9 Bubinga Wood Grain Straight Flap Envelopes, Gmund Wood 68lb
 
Bubinga Wood Grain Envelopes 5 3/4 x 8 3/4 - Straight Flap - Wood Grain
$13.33per 25 Pack
A9 Shocking Green Smooth Tactile Straight Flap Envelopes, So Silk 92lb
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Shocking Green So..Silk Envelopes 5 3/4 x 8 3/4 - Straight Flap - Smooth Tactile
$25.24per 25 Pack
A9 Jupiter Metallic Straight Flap Envelopes, Stardream 81lb
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Jupiter Stardream Envelopes 5 3/4 x 8 3/4 - Straight Flap - Metallic
$11.75per 25 Pack
Ecru Straight Flap Envelopes, A9  5 3/4 x 8 3/4, LCI Smooth 70lb
 
Ecru LCI Smooth Envelopes 5 3/4 x 8 3/4 - Straight Flap - Smooth
$8.51per 25 Pack
A9 Ultimate White Linen Straight Flap Envelopes, LCI 70lb
 
Ultimate White LCI Linen Envelopes 5 3/4 x 8 3/4 - Straight Flap - Linen
$10.29per 25 Pack
A9 Chardonnay Euro Flap Envelopes, Gmund Colors Matt 81lb
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Chardonnay Gmund Colors MATT Envelopes 5 3/4 x 8 3/4 - Euro Flap - Matte
$11.28per 25 Pack
A9 Limba Euro Flap Envelopes, Gmund Colors Matt 91lb
 
Limba Gmund Colors MATT Envelopes 5 3/4 x 8 3/4 - Euro Flap - Matte
$11.28per 25 Pack
A9 Wedding White Cotton Euro Flap Envelopes, Gmund Cotton 74lb
 
Wedding White 100% Cotton Envelopes 5 3/4 x 8 3/4 - Euro Flap - Cotton
$13.96per 25 Pack
A9 No Color Euro Flap Envelopes, Gmund No Color No Bleach 81lb
 
No Color No Color No Bleach Envelopes 5 3/4 x 8 3/4 - Euro Flap - Organic
$11.05per 25 Pack
Ecru Euro Flap Envelopes, A9  5 3/4 x 8 3/4, LCI Smooth 70lb
 
Ecru LCI Smooth Envelopes 5 3/4 x 8 3/4 - Euro Flap - Smooth
$9.03per 25 Pack
A9 Warm White Felt Straight Flap Envelopes, Royal Sundance 70lb
 
Warm White Royal Sundance Envelopes 5 3/4 x 8 3/4 - Straight Flap - Felt
$133.05per 1000 Pack
A9 Warm White Felt Straight Flap Envelopes, Royal Sundance 80lb
 
Warm White Royal Sundance Envelopes 5 3/4 x 8 3/4 - Straight Flap - Felt
$147.21per 1000 Pack
A9 Black Smooth Tactile Straight Flap Envelopes, Plike 95lb
 
Black Plike Envelopes 5 3/4 x 8 3/4 - Straight Flap - Smooth Tactile
$273.37per 800 Pack
A9 Smooth Ecru Unlined LCI Double Unlined Envelopes 70lb
 
Ecru Double Wedding Envelopes 5 3/4 x 8 3/4 - Double Unlined - Smooth
$16.90per 25 Pack
Black Lined Inner Outer Envelopes, A9, A10 Ecru
 
Ecru Black Double Wedding Envelopes 5 3/4 x 8 3/4 - Double Lined - Pearlescent
$20.14per 25 Pack
Chocolate Lined Inner Outer Envelopes, A9, A10 Ecru
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Ecru Chocolate Double Wedding Envelopes 5 3/4 x 8 3/4 - Double Lined - Matte
$20.14per 25 Pack
A9 Metallic Crystal Stardream Double Unlined Envelopes 81lb
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Crystal Double Wedding Envelopes 5 3/4 x 8 3/4 - Double Unlined - Metallic
$29.26per 25 Pack
A9 White Straight Flap Envelopes, Astroparche 60lb
2 More Colors >
 
White Astroparche Envelopes 5 3/4 x 8 3/4 - Straight Flap - Matte
$144.54per 1000 Pack
A9 Gold Foil Single Lined Envelopes, Radiant White
 
White Gold Foil Lined Envelopes 5 3/4 x 8 3/4 - Single Lined - Foil
$9.46per 25 Pack
 

A9 Envelopes (FAQs)

What size is an A9 envelope?

A9 size envelopes are 5 3/4 x 8 3/4 inches.

Is A9 a standard envelope size for invitations?

Yes, A9 is a very invitation envelope size because they fit A9, 5 1/2 x 8 1/2 cards - half of a standard 8 1/2 x 11 sheet. This makes set up, printing, and cutting easy!

Can I use A9 size envelopes for half fold cards?

Yes, a half fold is another way of saying a standard letter sized sheet folded in half to yield a 5 1/2 x 8 1/2 inch card.

Do A9 envelopes require more postage?

Based on shape and size along, A9 envelopes require just standard postage provided they are one ounce or under. Anything over an ounce, however, requires more. We recommend bringing one finished invitation ensemble to the post office to determine accurate postage.