Top 10 Mailing Envelopes Letter Size – Business Mailing Envelopes

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1. Quality Park

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Security Tint and Pattern, Redi-Strip Closure, 4-1/8" x 9-1/2", 100/Box QUA69117, 24-lb White Wove, Quality Park #10 Self-Seal Security Envelopes

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Quality Park #ad - Store more, longer: reid-strip envelopes have a longer shelf-life thanks to the peel able strip that protects your adhesive from dust. Less yuck: we promise you won't miss licking envelopes or crumbly, drippy sponges; complete your mailings, no accessories required.

Enhanced security: offer the protection clients deserve; a security tint makes envelopes hard to see through; a security pattern scrambles the appearance of text. An excellent value: bright white 24-lb paper makes an impression for business mailings and personal correspondence; get 100 4-1/8 x 9-1/2 inch envelopes. Save time with self-stick: quality park #10 Security Envelopes have a strong peel & stick closure that helps you fly through mailings in record time.
BrandQuality Park #ad
ManufacturerQuality Park #ad
Height2.03 Inches
Length9.63 Inches
Weight0.91 Pounds
Width4.25 Inches
Part NumberQUA69117
ModelQUA69117

2. Mead

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Security, 4-1/8" X 9-1/2", White, Press-it Seal-it, 45 Per Box 75026, Mead No.10 Envelopes

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Mead #ad - Size: 4 to 1/8 inches x 9 to 1/2 inches. Mead press it seal it number 10 security envelopes, 45 envelopes per box. White envelopes with self adhesive seal, Security lining for privacy.
BrandMead #ad
ManufacturerACCO Brands #ad
Height4.3 Inches
Length9.7 Inches
Weight0.02 Pounds
Width1.5 Inches
Part Number75026
Model75026
Warrantykkk

3. Amazon Basics

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500-Pack, White, Amazon Basics #10 Security-Tinted Self-Seal Business Letter Envelopes, Peel & Seal Closure

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Amazon Basics #ad - 10 business letter envelopes for home or office. Peel-and-seal closure; no moisture needed. Interior security tint for privacy; securely send checks, invoices, or other confidential documents. Includes 500 #10 envelopes made of 24-pound white woven paper; smooth surface works well for direct printing. Product dimensions: 4-1/8 x 9-1/2 inches.
BrandAmazon Basics #ad
ManufacturerAmazon Basics #ad
Part NumberAMZP5
ModelAMZP5

4. Aimoh

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24 LB, No Window, White, #10 Security Tinted Self-Seal Envelopes, 100 Count 34100, EnveGuard, Size 4-1/8 X 9-1/2 Inches

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Aimoh #ad - Super security tint pattern; #10 envelopes designed with a secure, security tint-pattern to protect contents and sensitive information, perfect for ultra-secure mailing. Enveguard technology; in today's world where our health, the team of engineers and developers at Aimoh have researched and developed the EnveGuard Technology and Approval systems, at Aimoh we approve only the highest quality products, privacy and security is so much threatened, produced from the best and safest material on earth.

Quick-seal closure; our #10 envelopes are designed with an ultra strong self-SEAL adhesive strip to create a full, super secure seal across each envelope's width that won't easily open or tear, ideal for mailing for any letter sized and larger documents without splitting.

Laser and inkjet printer compatible; premium construction measuring 4-1/8 x 9-1/2 inches, fully compatible with most inkjet and laser printers for quick and easy addressing! Click the Orange Button to order now. 100 envelope pack; these envelopes are manufactured with a window-less front panel for the perfect choice for small businesses, home offices and everyday use, #10 Security Envelopes are provided in a 100-envelope pack.
BrandAimoh #ad
ManufacturerAimoh #ad
Height2.2 Inches
Length9.7 Inches
Width4.3 Inches
Part Number34100
Model34100

5. Aimoh

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Size 4-1/8 x 9-1/2 Inches, 500 Count 34010, Premium Security Tint Pattern, White, 24 LB, EnveGuard, #10 Security Self-Seal Envelopes, Windowless Design, Ultra Strong Quick-Seal Closure

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Aimoh #ad - Windowless design; envelopes ideal for standard business & legal documents and sensitive correspondence, manufactured with a windowless front panel for easy printing, perfect for quick, labeling or hand-addressing, mass business mailings. Premium security tinted pattern; our #10 envelopes are designed with a premium security printed design to protect contents and sensitive information, perfect for secure business and legal mailing while protecting sensitive information.

10 security tinted self seal envelopes; forget cheap envelopes that easily split and aren't suitable for secure mailing, our #10 envelopes are designed with a premium security tint to protect sensitive information and a super strong SELF-SEAL strip, perfect for larger documents.

Quick-seal closure; our #10 envelopes are designed with an ultra strong SELF-SEAL adhesive strip to create a full, super secure seal across each envelope's width that won't easily open or tear, ideal for mailing larger documents without splitting. Long lasting supply; large sized envelopes and 500 envelopes in every pack for a long lasting supply, perfect for everyday business correspondence and large mailing tasks! Click the Orange Button to order now.
BrandAimoh #ad
ManufacturerAimoh #ad
Height4.25 Inches
Length11.5 Inches
Width10 Inches
Part Number34010-500
Model34010-500

6. Splendoress

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Printer Friendly, Mailing Envelopes Self Seal, #10 Security White Letter Businesses Envelopes -100 Peel and Seal Tinted Windowless # 10 Envelope, Self Stick Bulk Envelops

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Splendoress #ad - Laser and inkjet printer compatible - Measuring 4-1/8 x 9-1/2 inches, fully compatible with most inkjet and laser printers for easy addressing. High quality & bulk pricing - 24lbs high quality envelopes at a fraction of the price. 100 envelope windowless pack - Perfect choice for small businesses, home offices and everyday use. Tinted security pattern - Windowless envelope with a secure, security tint-pattern to protect contents and sensitive information. No need to lick the flap anymore - SELF-SEAL adhesive strip creates a super secure seal across each envelope.
BrandSplendoress #ad
Height2.2 Inches
Length9.5 Inches
Width4.12 Inches
Part NumberMailing Envelopes - 100 Envelopes
ModelMailing Envelopes - 100 Envelopes

7. Splendoress

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Self Stick Bulk Envelops, Printer Friendly, #10 White Letter Businesses Envelopes -500 Peel and Seal Tinted Windowless # 10 Envelope, 500 Self Seal Security Mailing Envelopes

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Splendoress #ad - Long lasting supply - 500 count per box. X 9 1/2 in size envelop. High quality & bulk pricing - 24lbs high quality envelopes at a fraction of the price. Self seal envelope- just peel and stick 4 1/8 in. No need to lick the flap anymore - Very convenient. Windowless envelope. Can't see through envelopes - Security printing pattern on the inside prevents from seeing what inside.
BrandSplendoress #ad
ManufacturerSplendoress #ad
Height4.25 Inches
Length11.5 Inches
Weight6.06 Pounds
Width10 Inches
Part Number#10 Security Envelopes Windowless
Model#10 Security Envelopes Windowless

8. Amazon Basics

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Amazon Basics Catalog Mailing Envelopes, 100-Pack, 9x12 Inch, Peel & Seal, White

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Amazon Basics #ad - Durable 28-pound white woven paper for quality and strength. Measures 9 by 12 inches each. Easy-to-seal peel and Seal closure—no moisture needed. 100-pack of no. 10-1/2 catalog envelopes. Ideal for mailing catalogs, brochures, booklets, and multi-page documents.
BrandAmazon Basics #ad
ManufacturerAmazon Basics #ad
Part NumberAMZP15
ModelAMZP15

9. Ampad

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White, 9 Inch x 12 Inch, Peel & Seal Adhesive, Tear-Away Quick-Open Strip, Ampad Fastrip Security Catalog Envelope, 100 Per Box 73127, Security Tint

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Ampad #ad - Large & roomy: the 9 x 12 size allows you to send documents without folding; a little room to spare accommodates luggage tags or other trinkets. Sturdy & secure: the strong adhesive will keep your mailing protected; an opaque security tint obscures sensitive correspondence or private data.

Peel & seal convenience: you'll never lick or moisten envelopes again once you've realized the time savings from Fastrip envelopes; pull the tape and let the sticky adhesive strip do all the work. An excellent value: get 100 9 x 12 envelopes at a stock-up price that lets you plan ahead for home or office. Just pull to open: your recipients can open mailings as quickly as you sent them, with one convenient tug; perfect for mailings to seniors, or others with limited hand dexterity.
BrandAmpad #ad
ManufacturerAMPAD/DIVI OF AMERICAN PD & PPR #ad
Height3 Inches
Length12.2 Inches
Weight4.07 Pounds
Width9.8 Inches
Part Number73127
ModelTOP73127

10. Juvale

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Mailing, 96 Pack #10 Blush Pink Envelopes for Letters, Business 4 1/8 x 9 1/2 In

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Juvale #ad - Dimensions: each #10 envelope measures 4 1/8 x 9 1/2 inches. What’s included: includes 96 pink mailing envelopes to ensure you always have one on hand when needed.

For all occasions: use stickers and labels to customize these pink business envelopes for an upcoming corporate office event, birthday party, wedding, holiday, banquet, bridal shower, or baby shower. Pink envelopes: save time and money with this set of #10 blush envelopes; ideal for mailing letters, documents, checks, announcements, cards, greeting cards, invitations, thank you notes, and photos. High quality: the pink letter envelopes are made with high-quality, easy to write on paper; apply water to the edges of the flap to seal.
BrandJuvale #ad
ManufacturerJuvale #ad
Height0.01 Inches
Length9.5 Inches
Width4.1 Inches
Part NumberZJMGO