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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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SALE
75% OFF
A9 Matte Chocolate Single Lined Envelopes, Radiant White
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A9 Matte Chocolate Single Lined Envelopes, Radiant White
$2.97per 25 Pack
SALE
72% OFF
A9 Grape Straight Flap Envelopes, Gmund Colors Matt 68lb
 
A9 Grape Straight Flap Envelopes, Gmund Colors Matt 68lb
$2.97per 25 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
$10.26per 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
$13.23per 25 Pack
A9 White Silk Smooth Tactile Straight Flap Envelopes, So Silk 92lb
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White Silk So..Silk Envelopes 5 3/4 x 8 3/4 - Straight Flap - Smooth Tactile
$20.40per 25 Pack
A9 Antique Gold Metallic Straight Flap Envelopes, Stardream 81lb
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Antique Gold Stardream Envelopes 5 3/4 x 8 3/4 - Straight Flap - Metallic
$10.26per 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
$9.27per 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
$10.51per 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
$206.55per 1000
A9 White Felt Straight Flap Envelopes, Royal Sundance 80lb
 
White Royal Sundance Envelopes 5 3/4 x 8 3/4 - Straight Flap - Felt
$142.79per 1000 Pack
A9 White Felt Straight Flap Envelopes, Royal Sundance 70lb
 
White Royal Sundance Envelopes 5 3/4 x 8 3/4 - Straight Flap - Felt
$129.06per 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
$265.17per 800 Pack
A9 White Straight Flap Envelopes, Astroparche 60lb
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White Astroparche Envelopes 5 3/4 x 8 3/4 - Straight Flap - Matte
$140.20per 1000 Pack
A9 Vulcan Green Straight Flap Envelopes, Astrobright 60lb
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Vulcan Green Astrobright Envelopes 5 3/4 x 8 3/4 - Straight Flap - Matte
$120.50per 1000 Pack
A9 Terra Green Straight Flap Envelopes, Astrobright 70lb
 
Terra Green Astrobright Envelopes 5 3/4 x 8 3/4 - Straight Flap - Matte
$134.85per 1000 Pack
A9 No Bleach Euro Flap Envelopes, No Color No Bleach 81lb
 
No Bleach No Color No Bleach Envelopes 5 3/4 x 8 3/4 - Euro Flap - Organic
$10.97per 25 Pack
A9 Dark Navy Blue Euro Flap Envelopes, Gmund Colors Matt 81lb
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Dark Navy Blue Gmund Colors MATT Envelopes 5 3/4 x 8 3/4 - Euro Flap - Matte
$10.97per 25 Pack
A9 Black Forest Euro Flap Envelopes, Gmund Colors Matt 68lb
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Black Forest Gmund Colors MATT Envelopes 5 3/4 x 8 3/4 - Euro Flap - Matte
$10.97per 25 Pack
A9 Max White Cotton Euro Flap Envelopes, Gmund Cotton 74lb
 
Max White 100% Cotton Envelopes 5 3/4 x 8 3/4 - Euro Flap - Cotton
$13.57per 25 Pack
A9 Wedding Cream Euro Flap Envelopes, Gmund Colors Matt 91lb
 
Wedding Cream Gmund Colors MATT Envelopes 5 3/4 x 8 3/4 - Euro Flap - Matte
$10.97per 25 Pack
A9 Pearlescent Silver Single Lined Envelopes, Radiant White
 
White Silver Single Lined Envelopes 5 3/4 x 8 3/4 - Single Lined - Pearlescent
$11.84per 25 Pack
Midnight Blue Lined Inner Outer Envelopes, A9, A10 Ecru
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Ecru Midnight Blue Double Wedding Envelopes 5 3/4 x 8 3/4 - Double Lined - Matte
$20.16per 25 Pack
Hot Pink Lined Inner Outer Envelopes, A9, A10 Radiant White
 
White Hot Pink Double Wedding Envelopes 5 3/4 x 8 3/4 - Double Lined - Pearlescent
$19.54per 25 Pack
A9 Matte White Unlined LCI Double Unlined Envelopes 70lb
 
Radiant White Double Wedding Envelopes 5 3/4 x 8 3/4 - Double Unlined - Smooth
$16.39per 25 Pack
A9 Moonrock Straight Flap Envelopes, Environment 80lb
 
Moonrock Environment Envelopes 5 3/4 x 8 3/4 - Straight Flap - Smooth
$9.15per 25 Pack
Radiant White Euro Flap Envelopes, A9  5 3/4 x 8 3/4, LCI Smooth 70lb
 
Radiant White LCI Smooth Envelopes 5 3/4 x 8 3/4 - Euro Flap - Smooth
$9.95per 25 Pack
A9 Gold Foil Single Lined Envelopes, Ecru
 
Ecru Gold Foil Lined Envelopes 5 3/4 x 8 3/4 - Single Lined - Foil
$9.18per 25 Pack
A9 Metallic Onyx Stardream Double Unlined Envelopes 81lb
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Onyx Double Wedding Envelopes 5 3/4 x 8 3/4 - Double Unlined - Metallic
$28.38per 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.