usps-acceptable-envelope-sizes

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No #9 Peel & Self-Seal Double Window White Letter Mailing Envelope 3-7/8 x 8-7/8
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ShippingMailers 4 3/8 x 5 3/4 White Paper A2 Invitation Envelopes Gummed
ShippingMailers 4 3/8 x 5 3/4 White Paper A2 Invitation Envelopes Gummed

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SAVE BIG LOT 2500 White Envelope Earth Business by Staples Recycled #10 Security
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3 USPS Offcial Business Envelopes--Wilder ID
3 USPS Offcial Business Envelopes--Wilder ID

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MyOfficeInnovations Gummed #6 3/4 Standard Business Envelopes 500/Box
MyOfficeInnovations Gummed #6 3/4 Standard Business Envelopes 500/Box

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4 1/8” X 9 1/2” Legal Envelope Pre-Stamped Lot 50 Forever Stamp Envelopes $0.73
4 1/8” X 9 1/2” Legal Envelope Pre-Stamped Lot 50 Forever Stamp Envelopes $0.73

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Priority Mail Domestic Shipping Upgrade Flat Rate Envelope
Priority Mail Domestic Shipping Upgrade Flat Rate Envelope

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MyOfficeInnovations Self Seal Catalog Envelopes 9"L x 12"H Brown 100/Box
MyOfficeInnovations Self Seal Catalog Envelopes 9"L x 12"H Brown 100/Box

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USPS Shipping --  TheSellingPost
USPS Shipping -- TheSellingPost

$29.95

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MyOfficeInnovations Self-Sealing Wove Catalog Envelopes 6" by 9" White 100/BX
MyOfficeInnovations Self-Sealing Wove Catalog Envelopes 6" by 9" White 100/BX

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pre stamped envelopes Qty. 100
pre stamped envelopes Qty. 100

$54.00

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Office Depot Brand 250 #9 Security Envelopes Double Window Clean Seal White, Box
Office Depot Brand 250 #9 Security Envelopes Double Window Clean Seal White, Box

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Cost-Effective 1,050 Count Self-Seal Envelopes for Business Mailing Needs
Cost-Effective 1,050 Count Self-Seal Envelopes for Business Mailing Needs

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Box of 500 Dependable Quality Envelope 10 Regular 24# White Wove 4 1/8" x 9 1/2"
Box of 500 Dependable Quality Envelope 10 Regular 24# White Wove 4 1/8" x 9 1/2"

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Office Depot Brand 25Ct Self-Seal Envelopes For W-2 Tax Forms, 9-1/4"W
Office Depot Brand 25Ct Self-Seal Envelopes For W-2 Tax Forms, 9-1/4"W

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10x eBay Branded 5” x 7” Paperboard Mailjacket Envelope (No padding) New
10x eBay Branded 5” x 7” Paperboard Mailjacket Envelope (No padding) New

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500 Postage Saver 5 1/4 CD DVD Disc Mailer Envelope with Flap and Self-Seal
500 Postage Saver 5 1/4 CD DVD Disc Mailer Envelope with Flap and Self-Seal

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Internal use only envelope
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Business Envelopes #10  25 Pack - Pre-Stamped! Free Shipping!
Business Envelopes #10 25 Pack - Pre-Stamped! Free Shipping!

$15.88

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115 - Brand NEW Assorted - USPS Affixed-stamped ENVELOPES!  *You MUST SEE!
115 - Brand NEW Assorted - USPS Affixed-stamped ENVELOPES! *You MUST SEE!

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BAZIC 10 Self-Seal White Envelope (50/Pack)
BAZIC 10 Self-Seal White Envelope (50/Pack)

$6.99

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Regular envelope 1pc
Regular envelope 1pc

$1.00

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Small green envelope with green stamp, bold blue 12/24 carrier marking on back
Small green envelope with green stamp, bold blue 12/24 carrier marking on back

$6.50

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✉️ 100 Count 4.5" x 9.5" #10 Business Envelope (Peel and Seal) w/ Security Tint
✉️ 100 Count 4.5" x 9.5" #10 Business Envelope (Peel and Seal) w/ Security Tint

$24.60

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Whitman PVC-Free Poly Envelopes - Large, 100-Count - Ideal for Collectors & More
Whitman PVC-Free Poly Envelopes - Large, 100-Count - Ideal for Collectors & More

$7.99

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Staples #7 Gummed Kraft Cash/Money Envelope 24 lb 3 1/2 (8.9cm)x 6 1/2 (16.5cm)
Staples #7 Gummed Kraft Cash/Money Envelope 24 lb 3 1/2 (8.9cm)x 6 1/2 (16.5cm)

$8.00

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Self-Seal Security Printed #6-3/4 Envelopes, 500 per Box
Self-Seal Security Printed #6-3/4 Envelopes, 500 per Box

$29.99

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Bulk 500 Count 6x9 Gummed Envelopes - Perfect for Newsletters & Catalogs
Bulk 500 Count 6x9 Gummed Envelopes - Perfect for Newsletters & Catalogs

$87.83

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Quality Park 90063 #6 5/8 Postage Saving Envelope - White (500/Box) New
Quality Park 90063 #6 5/8 Postage Saving Envelope - White (500/Box) New

$99.39

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New In Box Quality Park Window Postage Saving Envelope 28lb White 500 Pack 90063
New In Box Quality Park Window Postage Saving Envelope 28lb White 500 Pack 90063

$69.00

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Lot of 25: Ebay Branded 9" x 11.5" Paperboard Mailjacket Envelope (No padding)
Lot of 25: Ebay Branded 9" x 11.5" Paperboard Mailjacket Envelope (No padding)

$24.95

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No. 9 Security Window Envelopes Box Of 500 *Printed*
No. 9 Security Window Envelopes Box Of 500 *Printed*

$22.00

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Lot of 40 white window envelopes unused business mail 3 1/2 x 8 5/8 inches
Lot of 40 white window envelopes unused business mail 3 1/2 x 8 5/8 inches

$4.00

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White Envelopes - Multiple Sizes - Lot of 172
White Envelopes - Multiple Sizes - Lot of 172

$7.99

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MyOfficeInnovations Self Seal Catalog Envelopes 9"L x 12"H White 100/Box
MyOfficeInnovations Self Seal Catalog Envelopes 9"L x 12"H White 100/Box

$16.95

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4 ” X 6 1/2” Legal Envelope Pre-Stamped Lot 50 Forever Stamp Envelopes $0.73
4 ” X 6 1/2” Legal Envelope Pre-Stamped Lot 50 Forever Stamp Envelopes $0.73

$24.99

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6” x 8” Paperboard Cardboard Mailjacket Envelope No Padding eBay Branded
6” x 8” Paperboard Cardboard Mailjacket Envelope No Padding eBay Branded

$39.99

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Professional Self-Seal Envelope Pack - 1,050 Count 24LB Secure White Envelopes
Professional Self-Seal Envelope Pack - 1,050 Count 24LB Secure White Envelopes

$102.59

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EBay Branded 5” x 7” Paperboard Mailjacket Envelope (No padding) Lot of 25
EBay Branded 5” x 7” Paperboard Mailjacket Envelope (No padding) Lot of 25

$24.95

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Lot of 25- eBay Branded 6" x 8" Paperboard Mail Jacket Envelope (No Padding)
Lot of 25- eBay Branded 6" x 8" Paperboard Mail Jacket Envelope (No Padding)

$14.99

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Whitman PVC-Free Poly Envelopes -Medium, 100-Count - Ideal for Collectors & More
Whitman PVC-Free Poly Envelopes -Medium, 100-Count - Ideal for Collectors & More

$6.99

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5.5" Square Acid-Free Unlined Mailing Envelopes Plain White Paper Accents Loose
5.5" Square Acid-Free Unlined Mailing Envelopes Plain White Paper Accents Loose

$10.25

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100-Count Security Self-Seal Envelopes – No Window, Perfect for Secure Mailing
100-Count Security Self-Seal Envelopes – No Window, Perfect for Secure Mailing

$17.99

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MyOfficeInnovations Self Seal Security Tinted Bus.Envelope 4 1/8" x 9 1/2" White
MyOfficeInnovations Self Seal Security Tinted Bus.Envelope 4 1/8" x 9 1/2" White

$19.66

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OFFICE DEPOT 9" SECURITY DOUBLE-WINDOW 500 ENVELOPES
OFFICE DEPOT 9" SECURITY DOUBLE-WINDOW 500 ENVELOPES

$19.98

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Bulk Self-Sealing Security Envelopes - 500 Count, Ideal for Invoices & Letters
Bulk Self-Sealing Security Envelopes - 500 Count, Ideal for Invoices & Letters

$52.19

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25 ebay MAILJACKET PAPERBOARD STANDARD ENVELOPES 5” x 7” (NO PADDING)
25 ebay MAILJACKET PAPERBOARD STANDARD ENVELOPES 5” x 7” (NO PADDING)

$13.99

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Priority Mail Flat Rate® Padded Envelopes, Pack of 10
Priority Mail Flat Rate® Padded Envelopes, Pack of 10

$4.50

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Discontinued. 2 LEFT Square envelope with rounded corners
Discontinued. 2 LEFT Square envelope with rounded corners

$10.00

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(25) 9 x 11.5 EBAY BRANDED PAPERBOARD MAILJACKET ENVELOPE
(25) 9 x 11.5 EBAY BRANDED PAPERBOARD MAILJACKET ENVELOPE

$30.00

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Lot of 25: Ebay Branded 6" x 8" Paperboard Mailjacket Envelope (No padding)
Lot of 25: Ebay Branded 6" x 8" Paperboard Mailjacket Envelope (No padding)

$22.95

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MyOfficeInnovations Gummed Double-Window 4 3/16" x 9" Envelopes for Laser Forms
MyOfficeInnovations Gummed Double-Window 4 3/16" x 9" Envelopes for Laser Forms

$39.80

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Priority Mail Domestic Shipping Upgrade Flat Rate Envelope
Priority Mail Domestic Shipping Upgrade Flat Rate Envelope

$9.99

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FIRST CLASS MAIL SELF-SEALING ENVELOPES 35 EA
FIRST CLASS MAIL SELF-SEALING ENVELOPES 35 EA

$9.95

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2- Boxes Of 40 Security Envelopes White Letter Mailing, Shipping  4-1/8”x 9-1/2”
2- Boxes Of 40 Security Envelopes White Letter Mailing, Shipping 4-1/8”x 9-1/2”

$8.35

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100 #10 Peel & Seal Security stamped envelopes
100 #10 Peel & Seal Security stamped envelopes

$68.00

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400 Mixed Envelopes Various Sizes
400 Mixed Envelopes Various Sizes

$12.99

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3 USPS Official Mail Window Envelopes: 20c, 22c, 25c Unused
3 USPS Official Mail Window Envelopes: 20c, 22c, 25c Unused

$3.35

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Durable 24 lb White Security Envelopes - Self-Seal, Large Label Area, 100 Pack
Durable 24 lb White Security Envelopes - Self-Seal, Large Label Area, 100 Pack

$18.99

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20Pcs Envelopes Business Envelope Translucent Envelopes Postcards Container
20Pcs Envelopes Business Envelope Translucent Envelopes Postcards Container

$8.12

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No #10 Peel and Self-Seal White Letter Mailing Envelopes Security 4-1/8 x 9-1/2
No #10 Peel and Self-Seal White Letter Mailing Envelopes Security 4-1/8 x 9-1/2

$154.99

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(40) 9 x 11.5 EBAY BRANDED PAPERBOARD MAILJACKET ENVELOPE
(40) 9 x 11.5 EBAY BRANDED PAPERBOARD MAILJACKET ENVELOPE

$42.00

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5”x 7” Self Seal Sportscard Paperboard Mailjacket Heavy Envelope 12 Count Ebay
5”x 7” Self Seal Sportscard Paperboard Mailjacket Heavy Envelope 12 Count Ebay

$11.99

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BUSINESS REPLY MAIL, MAILER ENVELOPE?
BUSINESS REPLY MAIL, MAILER ENVELOPE?

$42.00

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Envelope 3.12  H
Envelope 3.12 H

$33.76

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32 white Envelopes Only - Exactly 6x4.25” Well Made! New In Box
32 white Envelopes Only - Exactly 6x4.25” Well Made! New In Box

$5.99

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A2 Envelopes Colored Envelopes Invitation Envelope Quarter Fold 4 3/8" x 5 3/...
A2 Envelopes Colored Envelopes Invitation Envelope Quarter Fold 4 3/8" x 5 3/...

$24.13

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100 PCS White Envelope - Peel & Self-Sealed - No Window
100 PCS White Envelope - Peel & Self-Sealed - No Window

$18.50

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97  4" x 9.5" Peel and Seal eBay Business Envelopes w Security Tint
97 4" x 9.5" Peel and Seal eBay Business Envelopes w Security Tint

$12.07

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Paper Padded Mailing Envelope (Size 2, 50, Count)
Paper Padded Mailing Envelope (Size 2, 50, Count)

$38.62

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7” x 9” Paperboard Mailjacket Envelope (No padding) Lot of 9
7” x 9” Paperboard Mailjacket Envelope (No padding) Lot of 9

$7.95

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500 Cashier Depot # 9 Business Envelopes with Left Window 3 7/8 x 8 7/8 Tinte...
500 Cashier Depot # 9 Business Envelopes with Left Window 3 7/8 x 8 7/8 Tinte...

$44.75

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1,050 Self-Seal Windowless Envelopes | High Quality & Secure Mailing Solution
1,050 Self-Seal Windowless Envelopes | High Quality & Secure Mailing Solution

$97.93

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Booklet Envelopes Windowless White Gummed Closure Mailing Envelopes 66 X 9 USA
Booklet Envelopes Windowless White Gummed Closure Mailing Envelopes 66 X 9 USA

$20.38

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Large Rapid Delivery Mailing Envelopes, 9 x 12" BUY IN BULK FOR DEAL!!
Large Rapid Delivery Mailing Envelopes, 9 x 12" BUY IN BULK FOR DEAL!!

$1.00

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20Pcs 130x170mm Kraft Film Mailing Envelope With Customizing
20Pcs 130x170mm Kraft Film Mailing Envelope With Customizing

$24.87

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Office Depot Double-Window Self-Seal Envelopes for W-2 Form * Please Read*
Office Depot Double-Window Self-Seal Envelopes for W-2 Form * Please Read*

$10.00

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Open Box Envelope, #9, White, 400+ count box, gummed back
Open Box Envelope, #9, White, 400+ count box, gummed back

$25.50

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White envelopes (10 Envelopes)
White envelopes (10 Envelopes)

$9.99

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100 Pre-stamped Envelopes
100 Pre-stamped Envelopes

$85.00

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100 eBay Branded 9" x 11.5" Paperboard Mailjacket Envelope (No padding) 100
100 eBay Branded 9" x 11.5" Paperboard Mailjacket Envelope (No padding) 100

$39.99

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12 Pack Assorted Colors Plastic Envelopes Poly Envelope Expandable File Docum...
12 Pack Assorted Colors Plastic Envelopes Poly Envelope Expandable File Docum...

$21.81

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Ebay Branded Paper Board Mail Jacket Envelope 9 x 11.5 Lot of 100
Ebay Branded Paper Board Mail Jacket Envelope 9 x 11.5 Lot of 100

$44.44

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Green Envelopes strip top Medium
Green Envelopes strip top Medium

$7.80

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100 Security Self-Seal Envelopes #10 With Assorted First Class Postage Stamps.
100 Security Self-Seal Envelopes #10 With Assorted First Class Postage Stamps.

$65.00

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Ready to use : 10 poly window envelopes.
Ready to use : 10 poly window envelopes.

$5.00

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11 PREPAID POSTAGE ENVELOPES UNUSED
11 PREPAID POSTAGE ENVELOPES UNUSED

$3.95

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Brown Office Depot Business, Commercial Envelopes - 24lb - 50 Per Pack
Brown Office Depot Business, Commercial Envelopes - 24lb - 50 Per Pack

$15.49

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Paper Padded Mailing Envelope (Size 2, 50, Count)
Paper Padded Mailing Envelope (Size 2, 50, Count)

$38.62

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5 Envelope Cut Corners - Mint & Used - see scan
5 Envelope Cut Corners - Mint & Used - see scan

$1.75

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9" x 11.5" Paperboard Mailjacket Envelope (No padding) eBay Branded Pack of 5
9" x 11.5" Paperboard Mailjacket Envelope (No padding) eBay Branded Pack of 5

$7.84

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Paper Padded Mailing Envelope (Size 2, 50, Count)
Paper Padded Mailing Envelope (Size 2, 50, Count)

$38.62

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Envelopes ~ 30+ ~ New ~ White ~ Blank ~ Approximately 5-3/16" x 3-5/8"
Envelopes ~ 30+ ~ New ~ White ~ Blank ~ Approximately 5-3/16" x 3-5/8"

$5.99

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Single Window First Class Envelope 50 ENVELOPES
Single Window First Class Envelope 50 ENVELOPES

$31.17

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security envelopes 80 count
security envelopes 80 count

$10.25

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Lot of 10 - Ebay Branded 9" x 11.5" Paperboard Mailjacket Envelope (No padding)
Lot of 10 - Ebay Branded 9" x 11.5" Paperboard Mailjacket Envelope (No padding)

$13.59

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1,050 Count Self-Sealing Business Envelopes | White Privacy Peel & Seal
1,050 Count Self-Sealing Business Envelopes | White Privacy Peel & Seal

$97.93

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Seal Catalog Water Resistant Envelopes Business Envelope With (Peel and Seal)
Seal Catalog Water Resistant Envelopes Business Envelope With (Peel and Seal)

$36.00

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