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1. EnDoc

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Windowless, Security tinted Pattern, Strong Peel and Seal, 500 Pack, EnDoc #9 Self Seal Security Tinted Envelope, 3 7/8x8 7/8 Inch White Business Envelope

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EnDoc #ad - Measures 3-7/8 by 8-7/8 inches each, 500 Per Box. Size 9 blank regular blank envelopes are used by most businesses as a return envelope as it fits great when inserted in the #10 Standard Envelopes! Safely mail sensitive documents in these high-end #9 security tinted Envelopes, which will keep your papers confidential, protecting them from prying and making sure they reach their destination with privacy.

Just peel the adhesive on the fold-over flap and stick the lip to seal the mailer content. Seal your envelopes in a breeze: the strong self-adhesive tamper-proof seal of these envelopes facilitates convenient use. Designed for secure mailing-Security Tinted Printer friendly great to print on, Heavy 24 Lb.
BrandEnDoc #ad
ManufacturerBusiness Envelopes #ad
Part NumberBUS357
ModelBUS357

2. EnDoc

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Windowless, Security tinted Pattern, 3 7/8x8 7/8 Inch White Business Envelope, 100 Pack, Strong Peel and Seal, EnDoc #9 Self Seal Security Tinted Envelope

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EnDoc #ad - 100/box. To seal these individuals simply need to remove the strip and press little bit hard to make it seal. Tear off strip also keeps adhesive from dust and thus giving it long shelf life. 9 security tinted envelopes white 24lb measures 3 7/8" x 8 7/8". 9 envelopes are the ideal size for 8 1/2" x 11" paper as well as voucher computer checks. 9 envelopes also fit inside of #10 envelopes, making them suitable for enclosure as a return envelope. No moisture is required to seal and one simply needs to peel off the strip before sealing the envelope.
BrandEnDoc #ad
ManufacturerBusiness Envelopes #ad
Part NumberBUS310
Model3419323

3. EGPChecks

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EGP Courtesy Reply Envelope 6 1/4 x 3 1/2, Quantity 250 Envelopes

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EGPChecks #ad - Envelope size: 6 1/4 x 3 1/2. Fits easily inside #10, #9 & #6 3/4 mailing envelopes. Gummed flap seals securely when moistened. Pricing is for 250 envelopes. Lined return address section makes it easier for your customers to complete.
BrandEGPChecks #ad
ManufacturerEGP #ad
Weight5 Pounds
Part Number710-1
Model710-1

4. AmazonBasics

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White, 500-Pack, AmazonBasics #9 Envelopes with Gummed Seal

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AmazonBasics #ad - 24-pound white wove paper provides quality and strength. Moisture-activated gummed closure ensures a secure seal. Measures 3-7/8 by 8-7/8 inches each; backed by an AmazonBasics 1-year limited warranty. Large supply for long-lasting convenience—perfect for frequent mailings or bulk mailing projects. 500-count pack of #9 envelopes for personal or professional use.
BrandAmazonBasics #ad
ManufacturerAmazonBasics #ad
Height9 Inches
Length12 Inches
Width3.88 Inches
Part Numberamz40
ModelAMZ40

5. EGPChecks

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500 Envelopes, EGP Payment Return Envelope, Color Choice, Size 3 1/2 x 6 1/8

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EGPChecks #ad - Pricing is for 500 envelopes. Size: 6 1/8 x 3 1/2. Fits inside most envelopes without folding. Imprint is Free Color is Blue.
BrandEGPChecks #ad
ManufacturerEGP #ad
Weight5 Pounds
Part Number468-1
Model468-1

6. AmazonBasics

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AmazonBasics #10 Security Tinted Business Envelopes, 4 1/8-Inch x 9.5-Inch, 500 Pack

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AmazonBasics #ad - Made of premium 24-pound white wove paper. Security tinted for added privacy; V-flap design. 500 executive-style envelopes for business or personal use. Measure 4-1/8 by 9-1/2 inches each.
BrandAmazonBasics #ad
ManufacturerAmazonBasics #ad
Height0.01 Inches
Length9.5 Inches
Weight0.1 Pounds
Width4.13 Inches
Part NumberAMZSEC10
ModelAMZSEC10

7. Minas Envelope

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Minas Envelope No. 9 Business Envelope, Gum Flap, Tinted, 24lb. White 500 Envelopes., 3 7/8 x 8 7/8

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Minas Envelope #ad - 9 business envelope 3 7/8" x 8 7/8" in New Branded Minas Envelope Box. Proudly made in the USA. Premium 24lb White Paper. 500 security Blue Tinted Envelopes. No. Plain envelope to fit any purpose.
BrandMinas Envelope #ad
ManufacturerMinas Envelope #ad
Height9.25 Inches
Length12.25 Inches
Width4 Inches
Part NumberMB9NWT

8. PrintEZ

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Customized Business Reply Envelope

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PrintEZ #ad - 24lb. Reads: "place Stamp Here". Size: 8 7/8" x 3 7/8". Item# 9CR. Fits inside most envelopes. Paper.
BrandPrintEZ #ad
ManufacturerPrintEZ #ad
Part Number9CR-250-POWDER BLUE

9. EnDoc

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Colored Envelopes Return Letter Size Documents, Blank 3 7/8 x 8 7/8 Colored Business Envelopes Pack of 100, #9 Blue Regular Envelopes

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EnDoc #ad - High paper quality: these number 9 envelopes are manufactured from high quality paper that offers a great blend of affordability and durability. This makes them ideal reply envelopes.

They can be used for sending both business documents and personal letters. This pack is perfect for both business and personal use. The moistenable glue flap delivers a secure hold and can hold up to the rigors of rough postal handling. Classic formal style: the dual diagonal seams and conventional V-shaped flaps give these colored number 9 envelopes a classic appearance.

The v-shaped flaps of these blue colored no 9 envelopes are lined with moisture sensitive gum. Traditional gummed flap: simple and effective sealing. Economy pack: this pack of 100 blue colored business envelopes offers a great value for money. Perfect reply envelopes: these small return envelopes fit perfectly inside larger #10 envelopes.
BrandEnDoc #ad
ManufacturerCheckomatic #ad
Height4 Inches
Length4 Inches
Weight1 Pounds
Width6 Inches
Part Number8450901

10. EnDoc

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Blank Windowless Bright White Envelopes, EnDoc #9 Envelopes Pack of 100-3-7/8 x 8-7/8 Inch Small Return Envelopes

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EnDoc #ad - They are also popularly used as small return envelopes as they fit neatly inside number 10 envelopes. They come with traditional V-shaped flaps and dual diagonal seams. Their affordable pricing allows you to buy in bulk.

Its classic style and finish make it perfect for regular business use. This allows for a quick and reliable seal. Traditional gummed seal: the flaps of each no 9 envelope comes with moisture activated gum. Formal style: perfect for formal correspondence, these number 9 envelopes have a pure white color. From sending mass invoices to using them as return envelopes, these are one of the most utilized office supplies.

Compact size: number 9 envelopes have a compact dimension. Even though they are smaller in size they can be used to mail folded A4 documents. Highly affordable: often used as everyday envelopes in offices and business locations, these no 9 envelopes are highly affordable and supremely versatile.
BrandEnDoc #ad
ManufacturerCheckomatic #ad
Height3 Inches
Length9.5 Inches
Weight1 Pounds
Width4 Inches
Part NumberCOM9R
ModelCOM9R
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