10 Best close envelopes of 2025

Save up to 37% off

Best Choice

1

Splendoress
#10 Envelopes Letter Size Self Seal | 500 Business Mailing Security Peel and Sealing Envelope | 100% Tinted | no 10 White Windowless Legal Regular Plain Envelops Pack | 4-1/8 x 9-1/2 Inches | 24 LB
Main highlights

High Quality and Bulk Pricing
24 lbs envelopes at a fraction of the price.

Ideal for Business Mailing
Perfect for secure and efficient business correspondence.

Most Praised Feature: Self-Seal Convenience
Customers love the easy peel-and-stick closure.
Key specs
- size:500 Count
- color:White Wove
- shape:Rectangular
- closure:Self-Seal
- number of items:500
9.9

Exceptional

Our Rating
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Value for Money

2

Aimoh

Aimoh 500#10 Security Self Seal Envelopes, Windowless, Premium Security Tint Pattern, Ultra Strong Quick Seal Closure, EnveGuard, Size 4-1/8 x 9-1/2", White, 24LB, 500 Count(34010)
9.8

Exceptional

Our Rating
3

Aimoh
Aimoh #10 Security Self Seal Envelopes – 100 Qty |No Window, EnveGuard, 4⅛ x 9½", White, 24 LB, 100 Count (34100)

21% Off
Main highlights

Windowless Front Panel for Privacy
These envelopes feature a windowless front panel, providing enhanced privacy and flexibility for addressing.

Ideal for Secure Mailing
Perfect for mailing confidential documents, checks, invoices, and statements with confidence and peace of mind.

Highly Praised Quick-Seal Closure
Customers appreciate the strong and reliable self-seal adhesive strip, ensuring a secure seal without the need for moisteners, glues, or tapes.
Key specs
- size:100 Ct.
- color:White
- shape:Rectangular
- closure:Self-Seal
- number of items:100
9.7

Exceptional

Our Rating

9.9
Attachment

9.7
Security

9.3
materials Quality
4

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

30% Off
Main highlights

Peel and Seal Convenience
Includes 500 - 10 envelopes made of 24-pound white woven paper with a peel-and-seal closure, ensuring no moisture is needed for sealing.

Ideal for Secure Mailing
Perfect for sending checks, invoices, or other confidential documents due to the interior security tint that prevents visibility of contents.

Commonly Praised Feature
Customers appreciate the high quality and excellent adhesive closure, noting the envelopes' durability, security, and overall great value for the price.
Key specs
- size:Peel & Seal
- color:Tint
- shape:Rectangular
- closure:Self-Seal
- number of items:500
9.6

Exceptional

Our Rating

9.9
worth the money

9.9
materials Quality

9.7
Security
5

Quality Park
Quality Park Dab-N-Seal Envelope Moistener with Adhesive, 50ML Bottle, 4 Pack (46071)

12% Off
Main highlights

Fast-Drying Adhesive Formula
Moistens and seals up to 1,500 envelopes per 50 mL bottle.

Ideal for Bulk Mailings
Perfect for wedding invitations and large mailings with 4-pack.

No-Clog Spring-Valve Applicator
Highly praised for preventing messes, even if tipped over.
Key specs
- item form:Liquid
- size:4 Bottles
- color:Blue
- material:Envelopes & mailers
- special feature:Patented spill-proof top
9.4

Excellent

Our Rating
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6

Top Flight

Top Flight PSTF10NWT #10 Envelopes, Strip & Seal, Security Tinted, White Paper, 24 lb, 500 Count
9.3

Excellent

Our Rating
7

Mead
Mead #10 Envelopes, Security Printed Lining for Privacy, Press-It Seal-It Self Adhesive Closure, All-Purpose 20-lb Paper, 4-1/8" x 9-1/2", White, 45 per Box (75026)

37% Off
Main highlights

Self Adhesive Seal for Convenience
White envelopes with self-adhesive seal and security lining for privacy, measuring 4 1/8 inches x 9 1/2 inches. 45 envelopes per box.

Ideal for Secure Mailings
Perfect for mailing sensitive documents like checks, ensuring privacy and security with its security lining and adhesive seal.

Most Praised Feature - No Need to Lick
Customers appreciate the convenience of the self-adhesive seal, eliminating the need to lick the envelopes for sealing.
9.2

Excellent

Our Rating

9.9
Simple to use

9.7
Security

9.3
materials Quality
8

Splendoress
#10 Envelopes Letter Size Self Seal | 100 Business Mailing Security Peel and Sealing Envelope | 100% Tinted | no 10 White Windowless Legal Regular Plain Envelops Pack | 4-1/8 x 9-1/2 Inches | 24 LB
Main highlights

100 Number 10 Envelopes Pack
Perfect for small businesses, home offices, and everyday office supply usage. Features a self-stick adhesive strip and tinted security pattern.

Ideal for Secure Mailing
Windowless design with security tint-pattern ensures contents and sensitive information are protected, making it ideal for bill payments and confidential documents.

Strong Seal Praised by Customers
Customers frequently praise the strong and reliable self-stick adhesive strip, ensuring secure sealing and peace of mind.
9.1

Excellent

Our Rating

9.7
worth the money

9.3
Simple to use

8.9
materials Quality
9

Amazon Basics
Amazon Basics Security Self-Seal Mailing Envelope, White, 6 3/4, 100-Pack
Main highlights

Peel and Seal Closure
100-Pack of 6 envelopes with Peel & Seal closure, no moisture needed. Ideal for securely sending checks, invoices, or other confidential documents.

Ideal for Home or Office
Perfect for shipping cards, storing documents, or everyday use in home or office settings. Measures 3-5/8 by 6-1/2 inches each.

High Quality and Privacy
Customers praise the non see-through design and strong adhesive strip. Envelopes are durable and maintain confidentiality effectively.
Key specs
- size:100-Pack
- color:White
- shape:Rectangular
- closure:Self-Seal
- number of items:1
9.0

Excellent

Our Rating

9.7
Durability

9.5
worth the money

9.3
materials Quality
10

Breling

Breling 4 Pieces Pencil Style Envelope Moistener, Stamp Moistener with Nylon Brush Head Mailing Letter Sealer Envelope Licker for Office Classroom, Clear
8.8

Very Good

Our Rating

10 Best close envelopes of 2025

1

#10 Envelopes Letter Size Self Seal | 500 Business Mailing Security Peel and Sealing Envelope | 100% Tinted | no 10 White Windowless Legal Regular Plain Envelops Pack | 4-1/8 x 9-1/2 Inches | 24 LB

How do we rank?

How do we rank?

Analyzing top stores

2

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

3

Aimoh #10 Security Self Seal Envelopes – 100 Qty |No Window, EnveGuard, 4⅛ x 9½", White, 24 LB, 100 Count (34100)

9.9

9.7

9.3

4

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

9.9

9.9

9.7

5

Quality Park Dab-N-Seal Envelope Moistener with Adhesive, 50ML Bottle, 4 Pack (46071)

6

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

7

Mead #10 Envelopes, Security Printed Lining for Privacy, Press-It Seal-It Self Adhesive Closure, All-Purpose 20-lb Paper, 4-1/8" x 9-1/2", White, 45 per Box (75026)

9.9

9.7

9.3

8

#10 Envelopes Letter Size Self Seal | 100 Business Mailing Security Peel and Sealing Envelope | 100% Tinted | no 10 White Windowless Legal Regular Plain Envelops Pack | 4-1/8 x 9-1/2 Inches | 24 LB

9.7

9.3

8.9

9

Amazon Basics Security Self-Seal Mailing Envelope, White, 6 3/4, 100-Pack

9.7

9.5

9.3

10

Breling 4 Pieces Pencil Style Envelope Moistener, Stamp Moistener with Nylon Brush Head Mailing Letter Sealer Envelope Licker for Office Classroom, Clear

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