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Customizable: add special messages, drawings, family, and other embellishments and handout the security envelopes to friends, stickers, and colleagues.10 business size envelopes: use the #10 envelope for business or personal use; send checks, letters, and invitations with each of the kraft brown envelopes.

Our self seal design is quick and easy and is guaranteed to stay sealed with no need for tape or glue sticks. Easily fits invoices, letters, checks, and more.
Our printer friendly envelopes with smooth thick paper saves you time and frustration while printing without having to worry about jamming. Our security #10 Windowless Envelopes perfectly fit standard 8. 5’’ x 11’’ paper sizes and other large documents. 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. Multi-purpose. These 4 1/8" x 9 1/2" inch self-sealing envelopes are designed to save your time and money.


The high-quality construction and material combined with the recycled look of this paper allow you to showcase your personality while still remaining professional. For business and professional use: if you’re looking for multipurpose envelopes that are great for sending corporate letters, financial documents, checks, and more, our #10 LUX Paper envelopes are an excellent option.
It couldn't be easier! This type of adhesive is great for business applications, wedding announcements, and personal notes. In addition to being perfect for all professional documents and correspondence, business applications, these square flap envelopes also work well for personal letters. Durable & reliable: made from heavyweight lux paper stock with a side seam construction, or invitations. If brown isn’t the color you’re looking for, we have other rustic options available. Recycled, rustic style: if you enjoy a more rustic aesthetic, these grocery Bag paper envelopes are a perfect choice.


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.


Various uses: ideal for sending marketing materials, small stationeries, tri-fold brochures, standard letter-sized documents folded in thirds, personal checks, and more!.
1. Juvale
#ad
Invitations, 100 Pack Kraft Brown Number 10 Envelopes for Business, Announcements 4 1/8 x 9 1/2 In
#adJuvale #ad - Comes with: you will receive a total of 100 brown number 10 envelopes. Dimensions: each #10 letter envelope measure 4 1/8 x 9 1/2 inches; perfectly sized to hold 4x6 photos, cards, or invitations.Customizable: add special messages, drawings, family, and other embellishments and handout the security envelopes to friends, stickers, and colleagues.10 business size envelopes: use the #10 envelope for business or personal use; send checks, letters, and invitations with each of the kraft brown envelopes.
More information #ad
High quality: these bulk privacy envelopes are made of high-quality brown kraft paper material; to seal the gum flap closure moisten the edges of the flap and secure it to the body of the envelope.Brand | Juvale #ad |
Manufacturer | Juvale #ad |
Weight | 0.01 Pounds |
Part Number | LeJuvo-CM-050817-09-V1 |
Model | LeJuvo-CM-050817-09-V1 |
More information #ad
2. Blue Summit Supplies
#ad
100 No. 10 Self Seal Security Envelopes, Security Tinted with Printer Friendly Design, Number 10 Size 4 1/8 x 9 ½ Inch 100 Pack, Designed for Secure Mailing
#adBlue Summit Supplies #ad - These envelopes are designed for both Laser and Inkjet Printers. No need to worry about others seeing your documents, our dark black security tint completely hides you mail. Easily print name or logo on our low profile envelope design.Our self seal design is quick and easy and is guaranteed to stay sealed with no need for tape or glue sticks. Easily fits invoices, letters, checks, and more.
More information #ad
Perfect for secure everyday home and business mailing. Provides complete mail security. 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. Our security #10 Windowless Envelopes perfectly fit standard 8. 5’’ x 11’’ paper sizes and other large documents. Easily store and quickly use our 24 LB white wove envelopes with our 100 count value pack with small package design.
Brand | Blue Summit Supplies #ad |
Manufacturer | Blue Summit Supplies #ad |
Weight | 0.01 Pounds |
Part Number | BSS-92588-015 |
Model | SG_B071R9SBXJ_US |
More information #ad
3. BAZIC Products
#ad
1-Pack, Peel & Seal Mailer for Business Invoice Check 40/Pack, BAZIC Self Seal White Envelope 4 1/8" x 9 1/2" #10, No Window Mailing Envelopes
#adBAZIC Products #ad - White 20lb stock. These envelopes can be used for virtually anything you need them for! These envelopes can easily fit invoices, letters, gift cards, checks, etc. Envelopes manufactured with a windowless front panel for easy printing, labeling or hand-addressing, perfect for quick, mass business mailings.Just peel and seal to create a strong lasting seal without licking or moistening. Multi-purpose. These 4 1/8" x 9 1/2" inch self-sealing envelopes are designed to save your time and money.
More information #ad
Helps you fly through mailings in record time. 10 self-seal white envelopes. Secure. Windowless design. Perfect for everyday business use, these standard white envelopes are crafted of heavy, durable 20lb paper and securely holds hefty files during transit. Our self seal design is quick and easy and is guaranteed to stay sealed with no need for tape or glue sticks.Brand | BAZIC Products #ad |
Manufacturer | BAZIC Products #ad |
Height | 4.21 Inches |
Length | 9.65 Inches |
Weight | 0.45 Pounds |
Width | 1.18 Inches |
Part Number | 5067-EACH |
Model | 5067 |
Warranty | No Warranty |
More information #ad
4. Zthdjdl
#ad
Checks, Legal Documents, Printable Business Envelopes for Corporate Letters, Letterhead and Invoices4 1/8 x 9 1/2 in White, Zthdjdl 100 Pack White Square Envelopes
#adZthdjdl #ad - Includes 200 envelopes in total. Make sure to always have some on hand when you need them! Thicker and more durable than printer paper. Each #10 envelope is made of high quality 120GSM paper to keep the envelope flat. Just add moisture to the adhesive strip along the envelope flap and seal closed.More information #ad
Each letter envelope measures 4 1/8 x 9 1/2 in. Each #10 envelope is ideal for business or personal use, financial documents, checks, corporate letters, cards, business applications, greeting cards, announcements, direct mail, invitations and more.Brand | Zthdjdl #ad |
Manufacturer | Zthdjdl #ad |
Part Number | ZT12 |
More information #ad
5. LUXPaper
#ad
Printable Business Envelopes for Corporate Letters and Legal Documents with Peel and Press, 50 Pack, Envelope Size 4 1/8 x 9 1/2 Brown, LUXPaper #10 Square Flap Envelopes in 70 lb. Grocery Bag
#adLUXPaper #ad - Peel & press seal: the self-seal design of these envelopes is perfect for anyone who doesn’t want to lick or use a moistener on every single envelope — it’s a huge time-saver! Simply peel off the protective strip, press, and seal. No matter what you decide to use these envelopes for, mailings, making it perfect for things like letters, these envelopes are thick and durable, personal mail, whatever is inside is sure to arrive in perfect condition.The high-quality construction and material combined with the recycled look of this paper allow you to showcase your personality while still remaining professional. For business and professional use: if you’re looking for multipurpose envelopes that are great for sending corporate letters, financial documents, checks, and more, our #10 LUX Paper envelopes are an excellent option.
More information #ad
Printable & customizable: if you want to customize or label your colored envelopes, you’re in luck! These envelopes are printable on off-set printing presses, and even some home printers so you can have your company logo and branding printed on them directly. It couldn't be easier! This type of adhesive is great for business applications, wedding announcements, and personal notes. In addition to being perfect for all professional documents and correspondence, business applications, these square flap envelopes also work well for personal letters. Durable & reliable: made from heavyweight lux paper stock with a side seam construction, or invitations. If brown isn’t the color you’re looking for, we have other rustic options available. Recycled, rustic style: if you enjoy a more rustic aesthetic, these grocery Bag paper envelopes are a perfect choice.
Brand | LUXPaper #ad |
Manufacturer | LUXPaper #ad |
Height | 0.01 Inches |
Length | 4.13 Inches |
Weight | 0.25 Pounds |
Width | 9.5 Inches |
Part Number | 4860-GB-50 |
Model | 4860-GB-50 |
More information #ad
6. LUXPaper
#ad
Letters, Invoices, Statements | 5360-07-50, #10 Square Flap Envelopes 4 1/8 x 9 1/2, Gold Metallic 50 Qty | Perfect for Checks, Letterhead
#adLUXPaper #ad - Applications: Business Mailings, Letterhead, Personal Mail. Quantity: Pack of 50 . Printable on off-set printing presses and some home printers. Size: #10 square flap envelopes / 4.More information #ad
125" x 9. 5" / 4 1/8 in x 9 1/2 in / 105mm x 241mm. Uses: checks, bills, financial Mailings, statements, Invoices, personal letters, Corporate Mailings, direct mail, Flyers. Color: Gold Metallic.Brand | LUXPaper #ad |
Manufacturer | LUXPaper #ad |
Height | 0 Inches |
Length | 0 Inches |
Width | 0 Inches |
Part Number | 5360-07-50 |
Model | 5360-07-50 |
More information #ad
7. Aimoh
#ad
White, No Window, 24 LB, EnveGuard, 100 Count 34100, #10 Security Tinted Self-Seal Envelopes, Size 4-1/8 X 9-1/2 Inches
#adAimoh #ad - 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.More information #ad
Super security tint pattern; #10 envelopes designed with a secure, security tint-pattern to protect contents and sensitive information, perfect for ultra-secure mailing. Enveguard technology; in today's world where our health, 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, at Aimoh we approve only the highest quality products, 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.
Brand | Aimoh #ad |
Manufacturer | Aimoh #ad |
Height | 2.2 Inches |
Length | 9.7 Inches |
Width | 4.3 Inches |
Part Number | 34100 |
Model | 34100 |
More information #ad
8. JAM Paper
#ad
JAM PAPER #10 Business Colored Envelopes, Red Recycled, 50/Pack, 4 1/8 x 9 1/2
#adJAM Paper #ad - Features a straight flap with gummed closure. Very versatile envelopes; can be used for invitations, statements, personal everyday mail, business memos, invoices, marketing materials, bills, brochures and much more.More information #ad
Quantity: 50 Envelopes per Pack. Size: #10 4. 13 x 9. 5 inches. Color: Red Envelopes.Brand | JAM Paper #ad |
Manufacturer | JAM Paper & Envelope #ad |
Height | 9.5 Inches |
Length | 4.13 Inches |
Width | 0.1 Inches |
Part Number | 67161i |
More information #ad
9. MATICAN
#ad
4 1/8 x 9 1/2 Inches, 36-Pack #10 Envelopes, Business Envelopes, 6 Muted Pastel Colors
#adMATICAN #ad - 125 x 9. 5 inches. Gum flap seal: envelopes are made of 110 gSM thick paper with a water-soluble gum applied across the square flaps. Multi-pack business envelopes: includes 36 business envelopes in the colors yellow, and mint, steel blue, pale turquoise, novel lilac, pink, ideal for sending correspondences of all sorts.Various uses: ideal for sending marketing materials, small stationeries, tri-fold brochures, standard letter-sized documents folded in thirds, personal checks, and more!.
More information #ad
Multiple colors to mix and match: Envelopes come in 6 pastel colors that are easily noticeable and are perfect for you to mix and match with your inserts. Measurements: each envelope measures 4. Simply moisten to activate and close for a permanent seal.Brand | MATICAN #ad |
Manufacturer | Matican #ad |
Part Number | 2M7J |
More information #ad