Top 10 Self Sealing Envelopes Large – Business Mailing Envelopes

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1. Aimoh


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

Aimoh #ad - 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. 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, labeling or hand-addressing, manufactured with a windowless front panel for easy printing, perfect for quick, mass business mailings. 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.
BrandAimoh #ad
ManufacturerAimoh #ad
Height4.25 Inches
Length11.5 Inches
Width10 Inches
Part Number34010-500

2. Aimoh


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

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 for any letter sized and larger documents without splitting.

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. Enveguard technology; in today's world where our health, the team of engineers and developers at Aimoh have researched and developed the EnveGuard Technology and Approval systems, at Aimoh we approve only the highest quality products, 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.
BrandAimoh #ad
ManufacturerAimoh #ad
Height2.2 Inches
Length9.7 Inches
Width4.3 Inches
Part Number34100

3. Amazon Basics


Peel & Seal, Brown Kraft, 10x13 Inch, Amazon Basics Catalog Mailing Envelopes, 250-Pack

Amazon Basics #ad - 250-pack of 10 x 13 inch catalog envelopes. Ideal for mailing catalogs, booklets, brochures, and multi-page documents. Durable 28-pound brown kraft material provides privacy and strength. Measures 10 by 13 inches each. Easy-to-seal peel & Seal closure—no moisture needed.
BrandAmazon Basics #ad
ManufacturerAmazon Basics #ad
Part NumberAMZA32

4. Aimoh


Security Tinted, Ultra Strong Quick-Seal, 9 x 12 inch 38100, 100 9 x 12 SELF Seal Security White Catalog Envelopes, 28lb

Aimoh #ad - 9x12 catalog envelopes; aimoh’s white 9x12 security envelopes combine a professional security tint pattern, large size for business documents and premium quality for the best 9x12 envelopes on the market.

100 9 x 12 catalog envelopes in every pack for a long lasting supply, easy bulk mailing and everyday business correspondence! For 8. 5x11 documents; large 9x12 size and strong quick-seal closure security tinted envelopes, thicker, perfect for photos, catalogs, larger documents and other business mailings. Security tint pattern; ideal for secure business mailing and sensitive correspondence, security tint pattern to protect contents, each 9x12 envelope contains a super secure, information and data when mailing.

White 28lb stock; perfect for everyday business use, super secure seal across each envelope's width that won't easily open or tear and use high quality, aimoh’s 9x12 envelopes are designed with an ultra strong SELF-SEAL adhesive strip to create a full, white 28lb stock for a professional finish.
BrandAimoh #ad
ManufacturerAimoh #ad
Height2.5 Inches
Length9 Inches
Weight4.06 Pounds
Width12 Inches
Part NumberFBA_38100

5. Top Flight


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

Top Flight #ad - Strip & seal closure. Heavy 24lb white paper - made in USA. Security tinted. 500 count per box. 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

6. Aimoh


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

Aimoh #ad - Long lasting supply; ideal for everyday business use, perfect for invoices, each measuring 4-1/8 x 9-1/2 inches, each box provides 500 envelopes for a long lasting supply, 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, extra large, positioned 7/8" from the left and 1/2" from the bottom of the envelope, perfect for displaying addresses or business information, easy read 4-1/2 X 1-1/8 poly-window, making slow printing and hand addressing a thing of the past.

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.

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, perfect for mailing larger, creating a super strong seal across the width of the envelope for a strong seal that won’t easily tear, quick seal adhesive, thicker documents.
BrandAimoh #ad
Part NumberFBA_35210

7. Blue Summit Supplies


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

Blue Summit Supplies #ad - These envelopes are designed for both Laser and Inkjet Printers. Easily fits invoices, letters, checks, and more. Provides complete mail security. Our security #10 Windowless Envelopes perfectly fit standard 8.

5’’ x 11’’ paper sizes and other large documents. Perfect for secure everyday home and business mailing. No need to worry about others seeing your documents, our dark black security tint completely hides you mail. Our self seal design is quick and easy and is guaranteed to stay sealed with 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. Easily store and quickly use our 24 LB white wove envelopes with our 100 count value pack with small package design. Just peel and seal to create a strong lasting seal without licking or moistening.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Weight0.01 Pounds
Part NumberBSS-92588-015

8. Blue Summit Supplies


Flip and Seal Flap, Number 10 Business Envelopes Letter Size, 4 1/8 x 9 1/2-500 Count, Security Tint, Blue Summit Supplies 500 Number 10 Envelopes Self Seal

Blue Summit Supplies #ad - Provides complete mail security with no need to worry about others seeing your documents, thanks to our dark black security tint lining which completely hides your confidential mail. 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.

Smaller #9 or #8 return envelopes will easily fit inside so you can get your invoices paid quicker. Designed for secure everyday home and business mailings, our windowless number 10 security envelopes are a perfect fit for standard 8.

5'' x 11'' paper sizes and other folded letter or legal size documents. Quickly stuff multiple pieces of business mail into our wide opening #10 security envelope design with large flip-and-seal opening. Create a professional look for your mail all the way to its destination thanks to our durable 24 white wove paper and smooth front envelope with no windows.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Part NumberBSS-92588-033



KKBESTPACK Poly Mailers Shipping Envelope Self Sealing Bags white, 10x13 Pack of 100

KKBESTPACK #ad - Carrier-approved large shipping bags are accepted by usps, fedex and UPS. Lightweight, space-saving and 100% recyclable white poly mailers have high-strength seams and 1. 5” flaps for over-stuffing.

Bags accept adhesive labels or permanent marker addressing. Slip your product into the bag and seal it. These large poly mailers deter prying eyes from seeing sensitive contents and preserve the surprise when giftables reach your client. Waterproof poly bags help reduce product damage and refunds by protecting items from rain, dust, towels, bedding, stains and more. Ship confidently with 10x13 poly mailers for clothing and non-fragile items.

These sturdy plastic mailing bags protect contents from rain and dirt better than corrugated boxes or paper envelopes. This makes polymail bags ideal for shirts, paper and wood products. Fast and efficient self-sealing poly bags for shipping reduce labor with a 2-step process. 3-layer extruded polyethylene film ensures complete discretion.
ManufacturerKKBESTPACK #ad
Height0.25 Inches
Length10 Inches
Weight2.01 Pounds
Width13 Inches
Part NumberPM100



Invitations, RSVP, 100 Pack, Baby Shower,Greeting Cards,Announcements, Size A2, White Paper Envelopes | Self Sealing Adhesive| Perfect for Weddings, Thank You Notes| A24.375 x5.75 Inches

AZAZA #ad - Quick self seal, simple to use. Excellent quality. You cannot see right through the envelopes. Your privacy will be well protected. No need to seal with an envelope moistener or lick, just peel and press.

Also the adhesive tape is strong, please feel safe to use it. Events: wedding rsvp, graduations, holiday, party invitation, hand made cards, birthdays, baby showers, announcements, letters, business and more. Don't have to worry about the envelopes being too thin. It’s made by 120 gsm - 32lb bonD/80lb TEXT good paper. Please feel free to buy!100pcs standard eco-friendly white 4. 375 x5.

75 inches envelopes. Perfect for A2/4x5 c. The products can be returned within 60 days without any reasons. Modern square flap style. They have an elegance look, come with natural and smooth touching feeling. Will fit all your needs. We provide best service. Our company philosophy is to provide both beautiful and useful products with environmentally friendly materials and reasonable price.
BrandAZAZA #ad
ManufacturerAZAZA #ad
Part NumberENV-2WE-100