Best Generic Envelopes in 2026

Box of 100 windowless #10 security envelopes with a Redi-Strip peel and seal closure

Security envelopes have a special security tint pattern that obscures what's inside; ideal when you're sending more sensitive material through the mail

Self seal envelopes are quick, easy and more clean and sanitary than gummed envelopes; with a Redi-Strip closure, just peel off the strip and press closed for a secure seal; no moisture needed

✉️ 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

✉️ SUPER SECURITY TINT PATTERN; #10 envelopes designed with a secure, security tint-pattern to protect contents and sensitive information, perfect for ultra-secure mailing

✉️ 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

10 business letter envelopes for home or office

Includes 500 - 10 envelopes made of 24-pound white woven paper; smooth surface works well for direct printing

Interior security tint for privacy; securely send checks, invoices, or other confidential documents

Mead press it seal it number 10 security envelopes, 45 envelopes per box

White envelopes with self adhesive seal, Security lining for privacy

Size: 4 to 1/8 inches x 9 to 1/2 inches

Country Of Origin : United States

Heavy 24Lb White Paper - Made In Usa

Package Weight : 6.1 Lbs

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

SECURITY TINT PATTERN; ideal for secure business mailing and sensitive correspondence, each 9x12 envelope contains a super secure, security tint pattern to protect contents, information and data when mailing

FOR 8.5X11 DOCUMENTS; large 9x12 size and strong QUICK-SEAL closure security tinted envelopes, perfect for photos, catalogs, thicker, larger documents and other business mailings

BUY IN BULK: Astrorights "Happy" 5-Color #10 Envelopes comes with 200 Envelopes so you never have to worry about running out. You'll get 40 colored envelopes of Venus Violet, Fireball Fuchsia, Cosmic Orange, Solar Yellow and Terra Green

PERFECT FOR EVERYDAY PROJECTS: Add a bright finishing touch on mail, notes home to parents, educational materials, classroom management and more! Whether in your home, office, or classroom, Astrobrights is the only choice to bring your ideas to life.

PRINTER COMPATIBLE: Works well with printers including inkjet and laser for jam-free every day printing. Plus, it's crafted to be lignin and acid-free for long-lasting results.

Durable multi-purpose envelope; dual purpose seal allows for multiple uses; use the moisture activated gummed seal for mailing or the strong metal clasp for repeated use and storage purposes.

Extra heavy-duty opaque 32 lb. brown Kraft material provides privacy of contents

9 x 12 inches; 100 envelopes per box

VARIETY PACK: Each Pack includes 105 A7 envelopes in 15 assorted colors. Colors include: baby pink, grey, white, baby blue, orange, turquoise, violet, mint green, sunflower yellow, amber yellow, red, purple, green, brown kraft, and blue.

SIZE: The envelope size is 5" height by 7" width, perfect for A7 cards and photos.

TOP QUALITY: These colorful envelopes are made from the highest quality stationery paper and are 100% tear proof.

9x12 KRAFT ENVELOPES; Aimoh’s Catalog Envelopes combine tough 28lb golden kraft paper stock, strong self-sealing SELF-SEAL Closure for the best catalog envelopes on the market, perfect for large documents and all business correspondence

DURABLE MULTI-PURPOSE; Ideal for mailing catalogues, magazines, documents, direct mail, promotional material, brochures and more, Aimoh’s Catalog Envelopes can be easily hand addressed or customized with business information

28LB STOCK; manufactured from tough, durable Construction like 28lb paper stock, the brown kraft material will insure privacy of the envelopes contents, the durable, woven paper extends the tampering resistance of this envelope, standing up to normal postal wear and tear without damage,

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

Size: A7 size white environmental protection envelope, made of 5 1/4" x 7 1/4" standard A7 size, with a square seal in the form of a glue booklet, made of high-quality paper, thick and durable, with excellent sealing performance. Your privacy will be well protected.

Design: This 5x7 envelope is very suitable for 5x7 cards/photos. These envelopes are also very suitable for direct mail, letters, postcards, weddings, birthdays, baby showers, graduations, holidays, handmade cards, business, and various party invitation cards. So you can rely on them to meet all your special mailing needs.

Sealing: This is a huge time-saving envelope, each envelope comes with a separate tape, just tear off the protective strip, press, and seal it. Easy to seal peeling and sealing and closing operations, this type of adhesive is ideal for commercial applications, wedding announcements, and mailing.

#6 3/4 SECURITY TINTED SELF SEAL ENVELOPES; want the very best in secure, security-tinted envelopes with a super strong self-seal? Aimoh's No. 6 3/4 Security Envelopes combine durable, printer-compatible paper, a security tinted design and strong self-seal QUICK-SEAL for the best #6 3/4 security self-seal envelopes on the market

SUPER SECURITY TINT PATTERN; #6 3 / 4 envelopes designed with a secure, security tint-pattern to protect contents and sensitive information, perfect for ultra-secure personal mailing while protecting sensitive information

300 ENVELOPE PACK; these envelopes are manufactured with a WINDOW-LESS front panel for the perfect choice for Personal Checks, home offices and everyday use, No. 6 3/4 Security Envelopes are provided in a 300-envelope pack

Mead A2 Invitation Envelopes measure 4 3/8" x 5 3/4" and are sized to fit an 8 1/2" x 11" sheet folded in quarters or a standard size invitation. Keep these versatile invitation envelopes on hand for use at home or the office. Features premium, 24 lb. , white wove stock. Executive style with a diagonal seam and V-flap construction. Quality envelopes form a strong seal when moistened to keep contents secure. 100 envelopes per box. Made in the USA.

4 3/8" x 5 3/4" envelopes are sized to fit an 8 1/2" x 11" sheet folded in quarters or a standard size invitation

Keep these versatile invitation envelopes on hand for use at home or the office

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 without licking or moistening. Our self seal design is quick and easy and is guaranteed to stay sealed with no need for tape or glue sticks.

#10 SINGLE WINDOW SECURITY ENVELOPES; forget cheap, thin envelopes that allow contents to be easily read, our #10 Security Envelopes are premium quality, ultra secure envelopes suitable for everyday business and legal mailing while protecting sensitive contents and information

ULTRA STRONG QUICK SEAL; manufactured with ultra strong, quick seal adhesive, creating a super strong seal across the width of the envelope for a strong seal that won’t easily tear, perfect for mailing larger, thicker documents

EASY READ SINGLE WINDOW; perfect for bulk mailing, each envelope has a premium, extra large, easy read 4-1/2 X 1-1/8 poly-window, positioned 7/8" from the left and 1/2" from the bottom of the envelope, perfect for displaying addresses or business information, making slow printing and hand addressing a thing of the past

White envelopes with security lining ensure privacy

6-3/4 size envelopes measure 3-5/8" x 6-1/2"

80 envelopes per box. Customizable: No

Package Includes: It contains 100 pack self-adhesive small parts packets envelopes for storage of coin, seed, stamps or other small parts things that are easy to lose.

Nice Quality: Our small envelopes are made of superior kraft paper, good texture, durable, not easy to fade; There are two sizes for your choice to meet your needs for most small items.

Easy to Use: When using them, use water wet the glue on the sealing area of envelope; Then fold the sealant and hold it for about one minute; Water glue design can effectively secure your small parts or seed from being damp or losing.

Size: A7 size colorful envelope, made of 5 1/4" x 7 1/4" standard A7 size, with a square seal in the form of a glue booklet, made of high-quality paper, thick and durable, with excellent sealing performance. Your privacy will be well protected.

Design: This 5x7 colorful envelope is very suitable for 5x7 cards/photos. (Pink, light green, light blue, light purple, bright red, lake blue, yellow, orange, dark purple, green) These colorful envelopes are also very suitable for direct mail, letters, postcards, weddings, birthdays, baby showers, graduations.

Sealing: This is a huge time-saving card envelope, each envelope comes with a separate tape, just tear off the protective strip, press, and seal it. Easy to seal peeling and sealing and closing operations, this type of adhesive is ideal for commercial applications, wedding announcements, and mailing.

Package includes 18 brown kraft envelopes with gummed seal and metal prong clasp.

Mr. Pen clasp envelopes are made from high-quality brown kraft paper that won’t easily rip or tear during transportation.

Each kraft envelope measures 9 x 12 inches, perfect for mailing and storing Important paperwork.

Package includes 50 brown kraft envelopes,Quick Self Seal,Simple To Use.

Kraft envelopes are made from high-quality brown kraft paper that won’t easily rip or tear during transportation.

Each kraft envelope measures 5.3 x 7.25 inches.

DOUBLE WINDOW SECURITY ENVELOPES; tired of cheap paper envelopes that can be easily seen through? Our Double Window Security Envelopes are ultra secure and perfect for mailing invoices, statements, standard business & legal documents, with super strong SELF-SEAL strip and tinted security patterns

TINTED SECURITY PATTERN; perfect for mailing invoices, statements, standard business & legal documents and sensitive correspondence, our #10 Envelopes are printed with a secure tinted pattern, easily obscuring numbers and data for premium, added security compared to other cheap envelopes

DUAL WINDOW DESIGN; easily read dual windows for everyday business mailings to easily display postal addresses. Each envelope contains two front windows, a 1" X 3-1/2" top window positioned 1/2" from the left and 2-1/2" from the bottom and the bottom 1-1/8 X 4" window is 1/2" from the left and 3/4" from the bottom

The envelope you use for your invitations is the first impression you make on your guests.Our kraft A7 envelopes with vintage and elegant looking is so suitable for any occasion. Simple and unadorned envelope are perfect for your sincere heart.

High quality and well-made envelopes--The size of kraft envelopes is 5.25*7.25 which is perfect for 5x7 cards and photos. Thick and nice brown envelopes are made of 140 gsm text paper. It will protect your surprise and privacy safe and sound.

Easy to use: Just wet the glue and press for a few seconds. Then everything will be done.

Feature: envelope money envelopes measure 3.2x 6.6 inches. Perfect small envelope for cash, budgeting, coin, jewelry, date medications, resistors capacitors, seeds, credit card, SD memory card, or any other small items, 8.1x16.8+2.2cm seal envelopes can meet all your home and office needs. Use these cash envelopes to store or sort out different types of small accessories to tidy and save time.

Quality Material: These Money Envelopes for Cash for budgeting are made of color tape paper 80g, recycled, and sturdy. Ten vibrant colors for you to choose from, We have white, light green, Christmas green, light pink, yellow, light blue, lake blue, red, orange, and deep purple.

Gummed Flap: The small envelopes for money have gummed flap. We've created a new peel and seal adhesive that prevents the Key Envelopes for Coins from falling out, keeping your cash safe while in transit. The adhesive strip can be removed and reapplied to ensure continued safe transport. Also, the money envelope is not see-through, You don't have to worry about privacy.

[#10 SECURITY ENVELOPES]:Horchen envelopes include 500 #10 security envelopes measuring 4-1/8 x 9-1/2 Inches and premium security shades to protect sensitive information, perfect for businesses, home offices and everyday use.

[SECURITY TINT PATTERN]:Our #10 security envelopes are made of 110GSM paper with high quality security pattern inside, the security tone makes the message hard to see, providing privacy for your business mail.

[QUICK-SEAL CLOSURE]:#10 envelopes are designed to be self-sealing, no need to pass a wetting agent or lick seal, just peel off the adhesive strip, press and seal. And our envelopes are sealed so firmly that they won't open or tear easily, ensuring safe arrival at your destination.

Package contains 100 kraft cash envelopes that close securely with just a dab of water – no need for tape or stickers! These kraft paper envelopes come in handy when you’re looking to store smaller items safely and securely without the worry of them slipping out or getting damaged during transport.

Mr. Pen cash envelopes are crafted with high-quality brown kraft paper, making them resistant to wear and tear. Each envelope measures 6.5 x 3.5 inches and provides ample space to store various items such as coins, stamps, gift cards, necklaces, trinkets, and other small objects.

With the help of these Mr. Pen money envelopes for cash, you can now organize your finances more efficiently; especially when it comes to keeping track of change from transactions or saving up coins from pocket money over time.

Featuring a super-strong self-sealing adhesive strip, the envelopes letter size is built to withstand the rigors of transportation without opening or tearing. The powerful adhesive strip is a key element in ensuring the safe delivery of important items and information.

With its advanced security pattern, the #10 security mailing envelopes is the perfect solution for commercial and legal mailings, providing added protection for sensitive information.

The #10 envelopes (security envelopes peel and seal) also features a windowless design, allowing for easy printing, labeling or handwriting of addresses, making it both convenient and efficient.

Get a jumbo box of 500 Columbian self seal #10 envelopes (4-1/8" x 9-1/2") each with a security tinted interior and easy peel off Release & Seal closure

These self seal envelopes have a Release & Seal peel strip; peel off the paper strip and press down for a permanent seal; it's simple, clean, and sanitary with no moisture required

Security envelopes have a strong security tint pattern so you can't see what's inside; ideal for obscuring more sensitive information and protecting critical documents