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1. ValBox

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White, Security Tint Pattern for Secure Mailing Envelopes, ValBox 200 Count #10 Self-Seal Security Envelopes, Windowless Design, 4-1/8x9-1/2 Inches, Business Envelopes

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ValBox #ad - Windowless design: envelopes ideal for standard business & legal documents and sensitive correspondence, manufactured with a windowless front panel for easy printing, labeling or hand-addressing, perfect for quick, mass business mailings. Premium security tinted pattern: these mailing envelopes feature high quality security patterns with heavy paper stock to protect confidential information, for absolute peace of mind when mailing sensitive information.

Quick-seal closure: no glue sticks required. Money back guarantee. However, if there's anything make you unhappy or unsatifaction, please do contact us without any hesitation. We are confident you would love our valbox products in its quality and price. A replacement or 100% refund will be immediately provided to you.

With a easy peel-off strip that reveals a strong, permanent adhesive that won’t rip or tear even through long haul journeys. 10 security tinted self seal envelopes 200 count: 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.
BrandValBox #ad
ManufacturerValBox #ad
Part NumberVB011

2. Aimoh

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

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Aimoh #ad - Enveguard technology; in today's world where our health, at aimoh we approve only the highest quality products, privacy and security is so much threatened, 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.

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. 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

3. Quality Park

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

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Quality Park #ad - 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. 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.
BrandQuality Park #ad
ManufacturerQuality Park #ad
Height2.03 Inches
Length9.63 Inches
Weight0.91 Pounds
Width4.25 Inches
Part NumberQUA69117
ModelQUA69117

4. Splendoress

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

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Splendoress #ad - 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. 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.
BrandSplendoress #ad
Height2.2 Inches
Length9.5 Inches
Width4.12 Inches
Part NumberMailing Envelopes - 100 Envelopes

5. Blue Summit Supplies

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Security Tinted with Printer Friendly Design, 100 No. 10 Self Seal Security Envelopes, Designed for Secure Mailing, Number 10 Size 4 1/8 x 9 ½ Inch 100 Pack

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Blue Summit Supplies #ad - Our self seal design is quick and easy and is guaranteed to stay sealed with no need for tape or glue sticks. Just peel and seal to create a strong lasting seal without licking or moistening.

Our printer friendly envelopes with smooth thick paper saves you time and frustration while printing without having to worry about jamming. Easily fits invoices, checks, letters, and more. Easily store and quickly use our 24 LB white wove envelopes with our 100 count value pack with small package design. These envelopes are designed for both Laser and Inkjet Printers. Perfect for secure everyday home and business mailing.

Easily print name or logo on our low profile envelope design. Our security #10 Windowless Envelopes perfectly fit standard 8. 5’’ x 11’’ paper sizes and other large documents. Provides complete mail security. No need to worry about others seeing your documents, our dark black security tint completely hides you mail.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Part NumberBSS-92588-015
ModelSG_B071R9SBXJ_US

6. Quality Park

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White, Windowless, 500 per box 69122, Quality Park, Redi-Strip, 4.125x9.5, #10 Security Tinted Envelopes

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Quality Park #ad - Bargain: each box comes with 500 #10 Envelopes that are the go-to choice for everyday plain envelopes in offices. Avoid the hassle with the self-sealing Redi-Strip closure.

Perfect fit: our #10 envelopes effortlessly fit standard 8. 5x11 sheets of paper and documents. These plain envelopes have no windows providing more security to contents inside. Professional finish: Bright white wove paper makes for a fresh, clean appearance perfect for any use. Self-seal: long gone are the struggles of licking envelopes or using moistener pens. Multi-purpose: the plain envelopes have the ability to have custom labels printed on or even have addresses handwritten.
BrandQuality Park #ad
ManufacturerQuality Park #ad
Height4.5 Inches
Length12 Inches
Weight6.7 Pounds
Width9.75 Inches
Part Number69122
Model69122

7. Ampad

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

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Ampad #ad - 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.

An excellent value: get 100 9 x 12 envelopes at a stock-up price that lets you plan ahead for home or office. Sturdy & secure: the strong adhesive will keep your mailing protected; an opaque security tint obscures sensitive correspondence or private data. 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. 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.
BrandAmpad #ad
ManufacturerAMPAD/DIVI OF AMERICAN PD & PPR #ad
Height3 Inches
Length12.2 Inches
Weight0.06 Pounds
Width9.8 Inches
Part Number73127
ModelTOP73127

8. Brother

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Universal 36102 Self-Seal Security Envelope, 10, 4 1/8 x 9 1/2, 500/Box, White, Window

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Brother #ad - Sold as 500/Box. Keep contents secure. Unique double-flap design keeps the gum from sticking before use.
BrandBrother #ad
ManufacturerUNIVERSAL OFFICE PRODUCTS #ad
Weight6.14 Pounds
Part NumberUNV36102

9. Universal

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10, 100/Box, Universal One Peel Seal Strip Business Envelope, White, Security Tint

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Universal #ad - No moisture needed for these envelopes. Peel seal strip feature makes large mailings easier. Simply peel back the strip and fold the flap closed.
BrandUniversal #ad
ManufacturerUniversal #ad
Height9.63 Inches
Length4.19 Inches
Weight1.3 Pounds
Width3.13 Inches
Part NumberUNV36004