Which are the best letter size envelopes 100 available in 2020?

We spent many hours on research and managed to find top 10 letter size envelopes 100 that is best suitable for you. This review is based on reliable sources, product specs, and hundreds of customer reviews. In this article, were going to highlight the main features of the best letter size envelopes 100 and why they are important when it comes to choosing the right one.

Best letter size envelopes 100

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Best letter size envelopes 100 reviews

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

Feature

#10 SECURITY TINTED SELF SEAL ENVELOPES; want the very best in secure, security-tinted envelopes with a super strong self-seal? #10 Security Envelopes combine durable, printer-compatible paper, a security tinted design and strong self-seal quick-seal for the best security envelopes on the market
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 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

Description

#10 SECURITY TINT ENVELOPES: GREAT VALUE 100 ENVELOPE SUPPLY FOR EVERYDAY USE!

Are you tired of cheap paper envelopes that easily tear when mailing thick documents?

Would you like professional quality, security tinted, quick seal envelopes ideal for secure mailing and home office use?

If so, Aimoh's 100 Count #10 Security Tint Envelopes are the perfect choice! Provided in a great value, 100 envelope pack, #10 Security Tint Envelopes provide a long lasting, great value supply perfect for small businesses and home offices, with a tough, premium construction that can be easily printed with everyday inkjet and laser printers, perfect for quick addressing and branding!

#10 Security Tint Envelopes measure 4-1/8 x 9-1/2 inches and use a strong adhesive quick seal strip, perfect for mailing thicker documents without splitting, together with a professional security tint pattern to protect sensitive details and information!

#10 Security Tint Envelopes are a great value, everyday choice with a number of key benefits:

- Large, windowless design measuring 4-1/8 x 9-1/2 inches.
- Professional security tint pattern protects sensitive information.
- Pre-gummed quick seal strip creates a tough, secure seal.
- Compatible with most inkjet and laser printers for easy printing.
- Convenient 100 envelope supply!

If you're looking for the perfect security envelopes with professional security tint, and strong, quick seal strips, in a great value 100 envelope supply, perfect for everyday use, #10 Security Tint Envelopes are the perfect choice!

Click "Add to Cart" now!

2. Quality Park 9 x 12 Clasp Envelopes with Deeply Gummed Flaps, Great for Filing, Storing or Mailing Documents, 28 lb Brown Kraft, 100 per Box (37890)

Feature

REUSABLE CLASP: Designed for repeated use, double prong metal clasp is durable and eyelets are reinforced . Great for home, office, school, interoffice or mailing.
BROWN KRAFT 28 LB STOCK: Perfect for everyday home and business use, Quality Park's clasp envelopes are constructed from heavyweight 28 lb. brown kraft stock designed to give contents extra protection during mailing, storage and handling.
GUMMED FLAP: In addition to the clasp closure, these Quality Park envelopes have a moisture activated secure seal with deep Gumming on the flap to create a permanent seal. The flaps close with full flap GUM to endure humid climates to ensure the envelope stays sealed so your contents don't fall out!
9 x 12 SIZE: Perfect size for mailing and storing 8-1/2 x 11 sized documents flat when folding is undesirable.
PACKED IN 100 COUNT: So many uses means supply is depleted quickly! Conveniently packed in 100 count to reduce frequency of purchasing.

Description

Double prong metal clasps with reinforced eyelets ensure durability. Reusable envelopes are great for home, school, or interoffice use. These heavily gummed flaps produce a secure seal.

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

Feature

Mead Press-It Seal-It #10 security envelopes; 45 envelopes per box
White envelopes with self-adhesive seal; security lining for privacy
Size: 4-1/8" x 9-1/2"

Description

45 count. 4 1/4" x 9 1/2". White envelopes with self-adhesive seal. Security lining for privacy.

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

Feature

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
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
STORE MORE, LONGER: Redi-Strip envelopes have a longer shelf-life thanks to the peelable strip that protects your adhesive from dust
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

Description

Quality Park #10 Security Envelopes have a strong peel & stick closure that seals fast without applying moisture. Our heavy opaque envelope stock is printed with a security tint that makes envelopes difficult to see through. A complex security pattern scrambles the appearance of numbers and text. Plus, Redi-Strip envelopes have a long shelf-life thanks to the paper strip that protects your adhesive from dust. Bright 24-lb. white wove paper is perfect for use at home or at work.

4-1/8 x 9-1/2 inches. Redi-Strip Envelope Closure. 24-lb White Wove. 100 Per Box.

Strong, Fast and Efficient: Redi-Strip envelopes save time and increase efficiency with a removable strip and strong adhesive seal that ends the hassle of everyday mail duty. To close them, simply peel and press.

Protected & Secure: Guard sensitive data with a security tint makes envelopes difficult to see through. A complex security pattern scrambles the appearance of numbers and text. These extra security features are essential for sending checks or personally identifiable information (PII) through the mail.

Eliminate the Yuck Factor: We promise you won't miss licking envelopes or those drippy moistener sponges in a cup! Redi-Strip envelopes bring mailing into the modern era with a tidier, more hygienic and still very affordable alternative to standard envelopes.

Long Lasting in Storage: The peelable paper strip is not only convenient, it protects your adhesive from dust so envelopes last longer.

Bright White Elegance: 24-lb. white wove paper gives your everyday mailings a professional finish. Ideal for business or personal correspondence.

Stock Up for Busy Season: Keep several boxes of this necessity on hand.

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

Feature

500 executive-style envelopes for business or personal use
Security tinted for added privacy; V-flap design
Made of premium 24-pound white wove paper
Measure 4-1/8 by 9-1/2 inches each

Description

An Amazon Brand.

6. AmazonBasics #6 3/4 Security-Tinted Envelopes with Peel & Seal, 100-Pack, White - AMZA25

Feature

100-Pack of #6 envelopes with Peel & Seal closure-no moisture needed
Ideal for home or office; securely send checks, invoices, or other confidential documents
Interior security tint keeps content private; windowless design
24-pound white woven paper for quality and strength
Measures 3-5/8 by 6-1/2 inches each

Description

An Amazon Brand.

7. 100 No. 10 Self Seal Security Envelopes - Designed for Secure Mailing - Security Tinted with Printer Friendly Design - Number 10 Size 4 1/8 x 9 Inch (100 Pack)

Feature

Perfect for secure everyday home and business mailing. Our Security #10 Windowless Envelopes perfectly fit standard 8.5'' x 11'' paper sizes and other large documents. Easily fits invoices, letters, checks, and more.
Provides complete mail security. No need to worry about others seeing your documents, our dark black security tint completely hides you mail.
Just Peel and Seal to create a strong lasting seal: No more headaches, or bad tastes in your mouth from licking envelopes; our self seal design is quick and easy and is guaranteed to stay sealed. No need for tape or glue sticks.
Easily print name or logo on our low profile envelope design. Our Printer friendly envelopes with smooth thick paper saves you time and frustration while printing without having to worry about jamming. These envelopes are designed for both Laser and Inkjet Printers.
Easily store and quickly use our 24 LB white wove envelopes with our 100 count value pack with small package design

Description

#10 Windowless Security Envelopes Create Completely Secure Mail

We understand how difficult it can be to find secure envelopes that completely secure and hide your envelope contents throughout the mailing process. We understand this frustration; thus our envelope design protects your contents:

• Windowless Design is the safest type of envelope. Easily print, write, or add labels to address the envelope.
• Quick and easy to use Self Seal design with a strong adhesive that completely secures your contents to prevent them from falling out and being lost or shown to others.
• Dark Black security tint that is completely opaque and blocks others from seeing your documents
• 100 CT value pack makes for easy stoage and quick use.

Save time sending your mail

Our low profile design makes for easily printing in most HP, Epson, Brother, Cannon, Xerox, and other standard laser and ink jet printers.

100% Money Back Guarantee

We stand behind our products completely. We understand that sometimes buying physical products can be difficult if you cannot physically see what you are buying, however, if our product is not exactly what you are looking for, or does not meet your expectation then send them back anytime for a 100 % refund.

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

Feature

HIGH-QUALITY BULK PRICING - 24lbs high-quality envelopes at a fraction of the price
NO NEED TO LICK THE FLAP ANYMORE - Very convenient
SELF SEAL ENVELOPE- Just peel and stick 4 1/8 in. x 9 1/2 in size envelop
CAN'T SEE THROUGH ENVELOPES - Security printing pattern on the inside prevents from seeing what inside. Windowless envelope
LONG LASTING SUPPLY - 100 counts per box

Description

HIGH-QUALITY BULK PRICING - 24lbs high-quality envelopes at a fraction of the price.

NO NEED TO LICK THE FLAP ANYMORE - Very convenient.

SELF SEAL ENVELOPE- Just peel and stick 4 1/8 in. x 9 1/2 in size envelop.

CAN'T SEE THROUGH ENVELOPES - Security printing pattern on the inside prevents from seeing what inside. Windowless envelope.

LONG LASTING SUPPLY - 100 counts per box

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

Feature

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
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
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

Description

Quality Park #6 3/4 Security Envelopes have a strong peel & stick closure that seals fast without applying moisture. Our heavy opaque envelope stock is printed with a security tint that makes envelopes difficult to see through. A complex security pattern scrambles the appearance of numbers and text. Plus, Reid-Strip envelopes have a long shelf-life thanks to the paper strip that protects your adhesive from dust. Bright 24-lb. white wove paper is perfect for use at home or at work. 3-5/8 x 6-1/2 inches. Reid-Strip Envelope Closure. 24-lb White Wove. 100 Per Box. Strong, Fast and Efficient: Reid-Strip envelopes save time and increase efficiency with a removable strip and strong adhesive seal that ends the hassle of everyday mail duty. To close them, simply peel and press. Protected & Secure: Guard sensitive data with a security tint makes envelopes difficult to see through. A complex security pattern scrambles the appearance of numbers and text. These extra security features are essential for sending checks or personally identifiable information (PII) through the mail. Eliminate the Yuck Factor: We promise you won't miss licking envelopes or those drippy moistener sponges in a cup! Reid-Strip envelopes bring mailing into the modern era with a tidier, more hygienic and still very affordable alternative to standard envelopes. Long Lasting in Storage: The peel able paper strip is not only convenient, it protects your adhesive from dust so envelopes last longer. Bright White Elegance: 24-lb. white wove paper gives your everyday mailings a professional finish. Ideal for business or personal correspondence. Stock Up for Busy Season: Keep several boxes of this necessity on hand.

10. 100 Red Envelopes #10 Holiday Christmas Envelope Invitations Standard Flap Glue Seal Closure for Wedding Birthday Card Stationary Office Business Letter Notes Mailing Supplies by Gift Boutique

Feature

Pack of 100 #10 Red Envelopes Business Size Envelopes! Very versatile envelopes; can be used for invitations, personal everyday mail, bills, invoices, statements, business memos, marketing materials, brochures and much more!
Envelopes for Wedding, Birthday, Baby Shower, graduations and Gender Reveal, Fundraisers, etc. Great for scrapbooking, gift card, gift wrapping & decoration or anything you want.
This would make a great mailing letter for your friend and family. Scrap booking, card-making, party invites, wedding or shower notes, tooth fairy notes, lunchbox surprises, or anything else you can think of.
Great for any holiday Christmas Valentine's Day Patriotic and Chinese New Year's... Uses: Holds Small Items: small cards, party favors and so much more.
Size: 9 1/2" x 4 1/8" with Gummed straight-flap. Adhesive is moister activated- seal with an envelope moistener or lick.

Description

Pack of 100 #10 Red Envelopes Business Size Envelopes! Very versatile envelopes; can be used for invitations, personal everyday mail, bills, invoices, statements, business memos, marketing materials, brochures and much more! Envelopes for Wedding, Birthday, Baby Shower, graduations and Gender Reveal, Fundraisers, etc. Great for scrapbooking, gift card, gift wrapping & decoration or anything you want. This would make a great mailing letter for your friend and family. Scrapbooking, card-making, party invites, wedding or shower notes, tooth fairy notes, lunchbox surprises, or anything else you can think of. Great for any holiday Christmas Valentine's Day Patriotic and Chinese New Year's... Uses: Holds Small Items: small cards, party favors and so much more. Size: 9 1/2" x 4 1/8" with Gummed straight-flap. Adhesive is moister activated- seal with an envelope moistener or lick.

Conclusion

By our suggestions above, we hope that you can found the best letter size envelopes 100 for you. Please don't forget to share your experience by comment in this post. Thank you!