Custom #10 Envelopes | Business & Window Envelopes

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Order Custom #10 Envelopes and get free shipping! These envelopes measure 4 ⅛ inches tall by 9 ½ inches wide. Perfect for mailing letters, brochures, invoices, and more! The #10 envelope is the most popular business envelope.

Sending confidential documents? Choose our security tint option to keep your information safe. Secure the envelope with our self seal closure. These envelopes are most commonly used for nonprofits and businesses, but can also be used for personal correspondence!

Customize these envelopes with your logo, special design, return address and more. Select 1 color, 2 colors, or full color printing to ensure your envelope stands out in the mail. Need help designing? Contact our team!

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sku: EN1017

Custom #10 Right Window Security Envelopes - EN1017

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sku: EN1062

Custom #10 Simple Seal Window Envelopes - EN1062

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sku: EN1030

#10 Custom Security Window Envelopes - EN1030

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sku: EN1032

Custom #10 Window Envelopes - EN1032

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sku: EN1031

PRINTED - Custom No 10 Envelopes - EN1031

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sku: EN1005

Custom #10 Self Seal Window Envelopes - EN1005

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sku: EN1012

Custom #10 Self Seal Window Envelopes - EN1012

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sku: EN1033

Custom Self Seal Envelopes - EN1033

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sku: EN1007

PRINTED - Custom #10 Security Simple Seal Envelopes - EN1007

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sku: EN1021

PRINTED - Self Seal #10 Custom Security Envelopes - EN1021

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sku: EN1022

Custom #10 Reverse Flap Window Envelopes - EN1022

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sku: EN1026

PRINTED - No 10 Custom Security Envelopes - EN1026

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sku: EN1042

Custom #10 Right Side Window Envelopes - EN1042

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sku: EN1004

PRINTED - Custom #10 Security Side Seam Envelopes - EN1004

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sku: EN1003

Custom #10 Security Window Envelopes - EN1003

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sku: EN1056

Custom #10 Gold Window Envelopes - EN1056

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sku: EN1017

Custom #10 Right Window Security Envelopes - EN1017

These Custom #10 Right Window Security Envelopes measure 4 ⅛ x 9 ½ inches, large enough to fit standard documents and letters comfortably. Fold your documents into thirds for an easier insertion. These envelopes are made with 24# - White Wove...

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sku: EN1062

Custom #10 Simple Seal Window Envelopes - EN1062

These Custom #10 Simple Seal Window Envelopes measure 4 ⅛ x 9 ½ inches, a standard size for business envelopes. Fold your regular 8 ½ x 11 inch documents into thirds to fit perfectly inside the envelope. The window measures a standard 1 ⅛...

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sku: EN1030

#10 Custom Security Window Envelopes - EN1030

These #10 Custom Security Window Envelopes measure 4 ⅛ x 9 ½ inches, the most common business envelope size. With a window built into the envelope, print address directly on your documents so they show easily through the poly-film. The window...

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sku: EN1032

Custom #10 Window Envelopes - EN1032

Custom #10 Window Envelopes are completely customizable! Add a name, logo, return address or any other design to match your company's branded material. Order today for FREE standard shipping! Use Custom #10 Window Envelopes, the standard business...

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sku: EN1031

PRINTED - Custom No 10 Envelopes - EN1031

Order Custom No 10 Envelopes and get FREE shipping! Perfect for checks, letters, invoices, statements, and more. Add logo, return address, or artwork. Customize your regular business envelopes with your company logo and return address to save time, and...

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sku: EN1005

Custom #10 Self Seal Window Envelopes - EN1005

These Custom #10 Self Seal Window Envelopes measure 4 ⅛ x 9 ½ inches with a window measuring 1 ⅛ x 4 ½ inches. The window sits ⅞” from the left and ½” from the bottom. Save time addressing with this clean and clear window...

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sku: EN1012

Custom #10 Self Seal Window Envelopes - EN1012

Custom #10 Self Seal Window Envelopes measure 4 ⅛ x 9 ½ inches, suitable for regular 8 ½ x 11 - inch paper folded into thirds. The window is a great addition to your standard envelope, as it will beautifully display your pre-printed...

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sku: EN1033

Custom Self Seal Envelopes - EN1033

Ideal for mailing checks, invoices, cash, and more! The easy self seal closure keeps things quick and easy! Simply insert your items, peel back the paper strip and press down to close. No moisture or mess required! This envelope also fits smaller...

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sku: EN1007

PRINTED - Custom #10 Security Simple Seal Envelopes - EN1007

Order Custom #10 Security Simple Seal Envelopes and get FREE shipping! Use to mail checks, letters, and more. Protect documents containing private details. Use for everyday business mailing. The security lining will help keep your sensitive details...

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sku: EN1021

PRINTED - Self Seal #10 Custom Security Envelopes - EN1021

Order Self Seal #10 Custom Security Envelopes and get FREE shipping! Use for all business mailing. Add custom artwork, logo, return address, and more. Use the security lined envelopes to keep your private documents safe. These envelopes are great for...

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sku: EN1022

Custom #10 Reverse Flap Window Envelopes - EN1022

These Custom #10 Reverse Flap Window Envelopes measure 4 ⅛ x 9 ½ inches: a standard size for business envelopes. Fold your documents into thirds for a smooth fit. These envelopes are also suited with a standard window to save you time. Print your...

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sku: EN1026

PRINTED - No 10 Custom Security Envelopes - EN1026

Order No 10 Custom Security Envelopes and get fast, FREE shipping! Use to mail checks, invoices, statements, and more. Add logo, address, or custom design. The envelopes are lined with a security tint that will help keep any private information hidden...

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sku: EN1042

Custom #10 Right Side Window Envelopes - EN1042

These Custom #10 Right Side Window Envelopes measure 4 ⅛ x 9 ½ inches, a great standard size to fit all your documents and letters! Fold an 8 ½ x 11 sheet into thirds for the perfect fit. Made with 24# - White Wove Paper, this envelope...

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sku: EN1004

PRINTED - Custom #10 Security Side Seam Envelopes - EN1004

Order Custom #10 Security Side Seam Envelopes and get fast, FREE shipping! Add logo, return address, or custom design. Great for mailing checks. The security lining will help keep private information hidden. Send items with sensitive information, like...

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sku: EN1003

Custom #10 Security Window Envelopes - EN1003

These Custom #10 Security Window Envelopes measure 4 ⅛ x 9 ½ inches, comfortably fitting your standard size letters and documents. Have a larger piece of paper? Simply fold into thirds before inserting. These envelopes are built with a regular,...

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sku: EN1056

Custom #10 Gold Window Envelopes - EN1056

These Custom #10 Gold Window Envelopes measure 4 ⅛ x 9 ½ inches with a window measuring 1 ⅛ x 4 ½ inches. The window sits ⅞” from the left and ½” from the bottom. Save time addressing with this clean and clear window...

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