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1. Amazon Basics

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White, 500-Pack, AmazonBasics #10 Security-Tinted Envelopes with Peel & Seal

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Amazon Basics #ad - 24-pound white woven paper for quality and strength. 500-pack of #10 security envelopes with Peel & Seal closure—no moisture needed. Ideal for home or office; securely send checks, invoices, or other confidential documents. Measures 4-1/8 by 9-1/2 inches each. Interior security tint keeps content private.
BrandAmazon Basics #ad
ManufacturerAmazonBasics #ad
Part NumberAMZP5
ModelAMZP5

2. Top Flight

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Top Flight PSTF10NWT #10 Envelopes, Security Tinted, 24 lb, Strip & Seal, White Paper, 500 Count

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Top Flight #ad - Heavy 24lb white paper - made in USA. 500 count per box. Strip & seal closure. Security tinted. Standard 10 envelope 4 1/8 x 9 1/2.
BrandTop Flight #ad
ManufacturerTop Flight #ad
Height4.3 Inches
Length11.8 Inches
Weight6.05 Pounds
Width10 Inches
Part NumberPSTF10NWT
ModelPSTF10NWT
Warranty#10

3. Aimoh

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

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Aimoh #ad - 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.

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. 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.

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. Windowless design; envelopes ideal for standard business & legal documents and sensitive correspondence, labeling or hand-addressing, perfect for quick, manufactured with a windowless front panel for easy printing, mass business mailings.
BrandAimoh #ad
ManufacturerAimoh #ad
Height4.25 Inches
Length11.5 Inches
Width10 Inches
Part Number34010-500
Model34010-500

4. Aimoh

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

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Aimoh #ad - 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. 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. 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, privacy and security is so much threatened, at Aimoh we approve only the highest quality products, the team of engineers and developers at Aimoh have researched and developed the EnveGuard Technology and Approval systems, produced from the best and safest material on earth.
BrandAimoh #ad
ManufacturerAimoh #ad
Height2.2 Inches
Length9.7 Inches
Width4.3 Inches
Part Number34100
Model34100

5. Quality Park

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

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Quality Park #ad - 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.

Store more, longer: reid-strip envelopes have a longer shelf-life thanks to the peel able strip that protects your adhesive from dust. Enhanced security: offer the protection clients deserve; a security tint makes envelopes hard to see through; a security pattern scrambles the appearance of text. Less yuck: we promise you won't miss licking envelopes or crumbly, drippy sponges; complete your mailings, no accessories required. 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

6. 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 - Windowless envelope. Long lasting supply - 500 count per box. No need to lick the flap anymore - Very convenient. Can't see through envelopes - Security printing pattern on the inside prevents from seeing what inside. X 9 1/2 in size envelop. Self seal envelope- just peel and stick 4 1/8 in. High quality & bulk pricing - 24lbs high quality envelopes at a fraction of the price.
BrandSplendoress #ad
ManufacturerSplendoress #ad
Height0.01 Inches
Length9.5 Inches
Weight6.06 Pounds
Width4.12 Inches
Part Number#10 Security Envelopes Windowless
Model#10 Security Envelopes Windowless

7. Blue Summit Supplies

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500 No. 10 Self Seal Single Window Security Envelopes -Designed for QuickBooks Invoices and Business Statements, Number 10 Size 4 1/8 X 9 1/2, Computer Printed Checks with Strong Peel and Seal Flap

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Blue Summit Supplies #ad - Our security envelopes will quickly and easily create a strong seal for completely secure business mail. Provides complete business mail security: your professional business mail will be completely hidden with our dark security tint design.

You can even stuff smaller #9 or #8 return envelopes to get your invoices paid quicker. Just peel and seal for a strong lasting seal. Save time quickly stuffing multiple pieces of business mail in our wide and large #10 Security Envelope Design. Create professional looking mail with the added security of a single window envelope. Your business mail recipient address will show through the single window and you can quickly print your return address or add return address labels. Perfect for mailing invoices, billing statements, checks, QuickBooks Invoices and checks, and other business mail.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Weight0.01 Pounds
Part NumberBSS-92588-004

8. Aimoh

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500 Count 35210, 500#10 Single Left Window SELF Seal Security Envelopes, 24 LB, Super Strong Quick-Seal Self Sealing Closure, Security Tinted, Size 4-1/8 x 9-1/2 Inches

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Aimoh #ad - Security tint pattern; mailing secure documents? our #10 security Envelopes are designed with a security wave pattern on the inside to protect contents, data and numbers from being easily read, unlike other cheap envelopes. Long lasting supply; ideal for everyday business use, each measuring 4-1/8 x 9-1/2 inches, each box provides 500 envelopes for a long lasting supply, perfect for invoices, statements and many more business uses! Click the Orange Button to order now.

Easy read single window; perfect for bulk mailing, each envelope has a premium, easy read 4-1/2 X 1-1/8 poly-window, extra large, positioned 7/8" from the left and 1/2" from the bottom of the envelope, perfect for displaying addresses or business information, making slow printing and hand addressing a thing of the past.11

10 single window security envelopes; forget cheap, our #10 Security Envelopes are premium quality, thin envelopes that allow contents to be easily read, ultra secure envelopes suitable for everyday business and legal mailing while protecting sensitive contents and information. Ultra strong quick seal; manufactured with ultra strong, quick seal adhesive, perfect for mailing larger, creating a super strong seal across the width of the envelope for a strong seal that won’t easily tear, thicker documents.
BrandAimoh #ad
Part NumberFBA_35210
ModelFBA_35210

9. Splendoress

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

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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. 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. 100 envelope windowless pack - Perfect choice for small businesses, home offices and everyday use. High quality & bulk pricing - 24lbs high quality envelopes at a fraction of the price.
BrandSplendoress #ad
Height2.2 Inches
Length9.5 Inches
Width4.12 Inches
Part NumberMailing Envelopes - 100 Envelopes

10. Mead

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

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Mead #ad - White envelopes with self adhesive seal, Security lining for privacy. 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.
BrandMead #ad
ManufacturerMEAAH #ad
Height4.3 Inches
Length9.7 Inches
Weight0.02 Pounds
Width1.5 Inches
Part Number75026
Model75026
Warrantykkk