Top 10 Self Sealing Envelopes – Business Mailing Envelopes

As an Amazon Associate I earn from qualifying purchases.

1. AmazonBasics

#ad

AMZP5, White, AmazonBasics #10 Security-Tinted Envelopes with Peel & Seal, 500-Pack

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

2. Quality Park

#ad

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

#ad
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. 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. 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
WarrantyN/A

3. Top Flight

#ad

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

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

4. Mead

#ad

Security, Press-it Seal-it, 4-1/8" X 9-1/2", White, Mead #10 Envelopes, 45 Per Box 75026

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

5. Aimoh

#ad

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

#ad
Aimoh #ad - Enveguard technology; in today's world where our health, 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, privacy and security is so much threatened, produced from the best and safest material on earth.

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. 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.
BrandAimoh #ad
ManufacturerAimoh #ad
Height2.2 Inches
Length9.7 Inches
Weight1.4 Pounds
Width4.3 Inches
Part Number34100
Model34100

6. Aimoh

#ad

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

#ad
Aimoh #ad - 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. 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.

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. Windowless design; envelopes ideal for standard business & legal documents and sensitive correspondence, perfect for quick, labeling or hand-addressing, manufactured with a windowless front panel for easy printing, mass business mailings.1

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.
BrandAimoh #ad
ManufacturerAimoh #ad
Height4.25 Inches
Length11.5 Inches
Width10 Inches
Part Number34010-500
Model34010-500

7. Quality Park

#ad

White – QUA10417, Quality Park #6 3/4 Security-Tinted Envelopes with Peel & Seal, 100-Pack

#ad
Quality Park #ad - Enhanced security: offer the protection clients deserve & protect yourself from liability; 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. Store more, longer: reid-strip envelopes have a longer shelf-life thanks to the peel able strip that protects your adhesive from dust. Save time with self-stick: quality park #6 3/4 Security Envelopes have a strong peel & stick closure that helps you fly through mailings in record time. An excellent value: bright white 24-lb paper makes an impression for business mailings and personal correspondence; get 100 3-5/8 x 6-1/2 inch envelopes.
BrandQuality Park #ad
ManufacturerQuality Park #ad
Height2.44 Inches
Length6.63 Inches
Width3.75 Inches
Part NumberQUA10417
ModelQUA10417
WarrantyN/A

8. Splendoress

#ad

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

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

9. Blue Summit Supplies

#ad

500 No. 8 Flip and Seal Double Window Security Check Envelopes, Designed for Quickbooks Printed Checks, Number 8 Size 3 5/8 Inch x 8 11/16 Inch

#ad
Blue Summit Supplies #ad - Perfectly fits quickbooks checks, or other computer printed checks: checks will slide in easier with a slightly wider design than a standard 8 5/8 envelope.

Just flip flap and seal to create a strong lasting seal: Our self seal design is quick and easy and is guaranteed to stay sealed. Provides complete check security: your checks will be hidden with our security tint design. Checks amounts and memos will not be visible: Only addresses will show through our unique double window design with no need to change QuickBooks settings. Maintains professional look and feel throughout transit with our durable 24 LB white wove envelope paper.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Weight1 Pounds
Part NumberBSS-92588-012

10. Blue Summit Supplies

#ad

500 No. 9 Flip and Seal Double Window Security Envelopes, Designed for Quickbooks Invoices and Business Statements with Self Seal Flip Press and Seal Flap -Number 9 Size 3 7/8 Inch X 8 7/8 Inch

#ad
Blue Summit Supplies #ad - Perfectly fits quickbooks invoices and business statements: sender and return address will be visible on your QuickBooks invoices and monthly bills through our unique double window design.

Maintains professional look and feel throughout transit with our durable 24 LB white wove envelope paper. Quickly and easily stuff our wide envelopes with several invoices or business statements. Save time with easy to use flip and seal self-seal design; With no need for licking or moistening, our self seal design allows for sending hundreds of invoices quickly and easily and is guaranteed to stay sealed with no need for tape or glue sticks. Provides complete business mail security: your invoices and statements will be completely hidden with our dark security tint design.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Weight5.27 Pounds
Part NumberBSS-92588-007
Scroll to top