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Square Flap Envelopes

Send your next set of invitations in style with Square Flap envelopes. The elegant and distinctive square flap on the back of the envelope goes a step above standard envelopes and lets the recipient know there is something worth noticing inside. Use Square Flap Envelopes for sending invitations, greeting cards, announcements, photos, and other personalized communications. Square Flap Envelopes come in all the standard invitation sizes and a broad array of colors. Add a special touch by choosing Square Flap Envelopes made from textured paper or with a colored foil lining.

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Most Popular Products

#10 - (4 1/8 x 9 1/2)
#10 - (4 1/8 x 9 1/2)
Printed w/
Return Address
A7 - (5 1/4 x 7 1/4)
A7 - (5 1/4 x 7 1/4)
Printed w/
Return Address

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

- 5 1/4 x 7 1/4

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

- 4 3/8 x 5 3/4

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

- 4 1/4 x 6 1/4

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

- 4 3/4 x 6 1/2

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

- 3 5/8 x 5 1/8

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

- 5 3/4 x 8 3/4

#10 Square Flap Envelopes (4 1/8 x 9 1/2) w/Peel & Press

- 4 1/8 x 9 1/2

Photo Greeting Invitation Envelopes (4 3/8 x 8 1/4)

- 4 3/8 x 8 1/4

A10 Invitation Envelopes (6 x 9 1/2)

- 6 x 9 1/2

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

- 5 1/2 x 8 1/8

Slimline Invitation Envelopes (3 7/8 x 8 7/8)

- 3 7/8 x 8 7/8

Currency Envelopes (2 7/8 x 6 1/2)

- 2 7/8 x 6 1/2

Ticket Envelopes (2 7/8 x 6 1/2)

- 2 7/8 x 6 1/2

4 3/4 x 6 1/2 Booklet Envelopes

- 4 3/4 x 6 1/2

A7 1/2 Invitation Envelopes (5 1/2 x 7 1/2)

- 5 1/2 x 7 1/2

Currency Envelope Window (2 3/4 x 6 5/16)

- 2 3/4 x 6 5/16

Currency Outer Envelopes (3 1/16 x 6 3/4)

- 3 1/16 x 6 3/4

A8 Envelope - 24lb. White, Machine Insertable

- 5 1/2 x 8 1/8

A10 Envelope - 24lb. White, Machine Insertable

- 6 x 9 1/2

Currency Envelopes (3 1/2 x 8 1/2) (Set of 4 w/Envelopes)

- 3 1/2 x 8 1/2
Review Rating
A7 Invitation Envelopes (5 1/4 x 7 1/4)
Clear Translucent

Excellent product, have used these envelopes for at least 15 years

Nov 11, 2020

—Cathy

Review Rating
A7 Invitation Envelopes (5 1/4 x 7 1/4)
Holiday Red Sparkle

I adore these envelopes. As they say, "Presentation is everything!". Even when I order cards that come with envelopes, they are always so plain. It is so much more fun to match a color that is in the card with a sparkly version of it on the envelope. This year it was red, last year gold. Have been using silver for years!

Nov 11, 2020

—Klyber

Review Rating
A7 Invitation Envelopes (5 1/4 x 7 1/4)
Grocery Bag

These envelopes are just we were looking for. We are happy with the quality and the time frame that we received them in.

Nov 11, 2020

—Chris

Review Rating
A1 Invitation Envelopes (3 5/8 x 5 1/8)
Amethyst Metallic

Love the quality of these envelopes and the easy peel glue strip on the flap.

Nov 11, 2020

—Maria

Review Rating
#10 Square Flap Envelopes (4 1/8 x 9 1/2)
Baby Blue

I was very please with your product. I've told several people about it.

Nov 11, 2020

—Linda Aboussie

Review Rating
A2 Invitation Envelopes (4 3/8 x 5 3/4)
Burgundy Linen

These envelopes are great! Perfect for what we need and the quality and color are spot on.

Nov 11, 2020

—Charlton

Review Rating
A2 Invitation Envelopes (4 3/8 x 5 3/4)
Limelight

Great product! I've been using these envelopes for years now and will continue to do so. The paper is nice and sturdy plus the color matches our logo perfectly.

Nov 11, 2020

—Sara

Review Rating
#10 Square Flap Envelopes (4 1/8 x 9 1/2)
Wasabi

I like these envelopes. They are sturdy, the glue strip works great and the color makes this envelope stand out in the mail so as not to get lost (hopefully). The color is also close to our logo color. I wish they had a #9 size as well as this envelope is just a tad large, but I make it work.

Nov 11, 2020

—Linda

Review Rating
Slimline Invitation Envelopes (3 7/8 x 8 7/8)
White Linen

The entire experience was superb. From uploading artwork, to selecting stock, to manufacture and delivery - my entire experience was flawless. The website and customization process is extremely well thought out and so easy to use. Very satisfied customer here, I highly recommend.

Nov 11, 2020

—William Henry

Review Rating
A2 Invitation Envelopes (4 3/8 x 5 3/4)
Blush

Quality envelopes and the color blush is perfect for my greeting cards.

Nov 11, 2020

—EstherHogan

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Special Offer Details

OFFER DETAILS:
Merchandise total must equal $500 or more before applicable taxes. Offer is not redeemable on previous orders. Offer CAN be used in conjunction with FREE99 promotion and the Loyalty, Trade Pro and Non-Profit Discount Programs. Offer not valid on phone orders. Terms of offer are subject to change at any time.

Special Offer Details

Free Shipping on Orders of 99 or More
* (1) Merchandise total must equal 99 or more before applicable taxes and ship to one address within the 48 contiguous United States. (2) MUST SELECT "STANDARD SHIPPING" as your shipping method BEFORE entering the code. (3) Enter the coupon code FREE99. Offer not valid for Alaska, Hawaii, United States Territories or International destinations. Offer is not redeemable on previous orders and cannot be combined with promotional coupon codes. Offer CAN be used in conjunction with Loyalty, Trade Pro and Non-Profit Discount Program. Offer not valid on phone orders. Terms of offer are subject to change at any time.
$5 OFF Orders Over $50
*Merchandise total must equal $50.00 or more before applicable taxes. To be eligible, customers must enter the coupon code TAKEFIVE at checkout. Offer is not redeemable on previous orders and cannot be combined with promotional coupon codes. Offer CANNOT be used in conjunction with Loyalty, Trade Pro and Non-Profit Discount Program. Offer not valid on phone orders. Terms of offer are subject to change at any time.

Free Shipping Promotion

To get the discount:
* (1) Merchandise total must equal $99 or more before applicable taxes and ship to one address within the 48 contiguous United States. (2) MUST SELECT "STANDARD SHIPPING" as your shipping method BEFORE entering the code. (3) Enter the coupon code FREE99. Offer not valid for Alaska, Hawaii, United States Territories or International destinations. Offer is not redeemable on previous orders and cannot be combined with promotional coupon codes. Offer CAN be used in conjunction with Loyalty, Trade Pro and Non-Profit Discount Program. Offer not valid on phone orders. Terms of offer are subject to change at any time.
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OFFER DETAILS

To get the discount:

* (1) Merchandise total must equal $99 or more before applicable taxes and ship to one address within the 48 contiguous United States. (2) MUST SELECT "STANDARD SHIPPING" as your shipping method BEFORE entering the code. (3) Enter the coupon code FREE99. Offer not valid for Alaska, Hawaii, United States Territories or International destinations. Offer is not redeemable on previous orders and cannot be combined with promotional coupon codes. Offer CAN be used in conjunction with Loyalty, Trade Pro and Non-Profit Discount Program. Offer not valid on phone orders. Terms of offer are subject to change at any time.

A Coupon For You!

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Get Your Coupon

OFFER DETAILS

To get the discount:

Offers are not redeemable on previous orders. Offers CAN be used in conjunction with FREE99 promotion and CANNOT be used for Loyalty, Trade Pro and Non-Profit Discount Programs or with other offers. Offer not valid on phone orders. Terms of offer are subject to change at any time.

OFFER DETAILS

To get the discount:

Offers are not redeemable on previous orders. Offers CAN be used in conjunction with FREE99 promotion, but CANNOT be combined with Loyalty, Trade Pro and Non-Profit Discount Programs or other offers. Offer not valid on phone orders. Terms of offer are subject to change at any time.

Holiday Deadlines Schedule

Order Type Date of Order Approved (By 3PM EST) Production Method Shipping Method
Custom Printed Orders
December 14th Rush Premium
December 17th Rush Next Day
Plain Orders
December 15th N/A Standard
December 17th N/A Premium
December 21th N/A Next Day

Add Addresses Later:

Limited Time! 15% Off Recipient Addressing.
Not ready to upload your address list? Order now and upload your list later! Use code EARLYBIRD15 at checkout. You will receive an email confirmation with instructions on how you can upload your list at any time. You can also access your order at any time from your account page.
* Offer valid October 24, 2017 through November 3, 2017 and cannot be combined with any other offer.
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Special Promotion

Merchandise total must equal $250 or more before applicable taxes and order must be placed between 10/28/19 and 10/29/19. Offer is not redeemable on previous orders and cannot be combined with promotional coupon codes. Offer CANNOT be used in conjunction with Loyalty, Trade Pro and Non-Profit Discount Program. Offer not valid on phone orders. Terms of offer are subject to change at any time.

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