Best Endoc in 2025

SUPER STRONG CONSTRUCTION – Standard White Envelopes Are Crafted of Heavy, Durable 24lb Paper for Exceptional Rip, Tear & Puncture Resistance

BOOKLET ORIENTATION – Classic Open From side Style Enables Fast, Convenient Stuffing for Letter, Legal Document, Pamphlet, crafts, Coupons, Greeting Card, Christmas Cards, Wedding Invitations, hand made greeting cards, folded letters, CDs, Other Common Mailers

LETTER SIZE PRICING – Ideal 6” x 9” Size Offers Maximum Space Within USPS 1-Stamp Dimension Requirements; Buy Bulk & Save Big on Both Supplies & Shipping

9 x 12 CLASP ENVELOPE SET : Pack of 30 single reusable envelopes serves a variety of small & large documents for home, office, business, legal & school.

MADE IN USA, HEAVY DUTY PAPER : Extra strong, durable 28lb standard brown kraft envelopes proudly made right here in the united states provides confidential protection & exceptional rip, tear & puncture resistance - thank you for supporting american manufacturing!

DOUBLE SEAL DESIGN : Offers reliable security for personal & professional mailing; sturdy metal dual prong clasps & gummed seals w/ tough adhesive glue.

10 x 15 CLASP ENVELOPE SET : Pack of 30 single reusable envelopes serves a variety of small & large documents for home, office, business, legal & school.

MADE IN USA, HEAVY DUTY PAPER : Extra strong, durable 28lb standard brown kraft envelopes proudly made right here in the united states provides confidential protection & exceptional rip, tear & puncture resistance - thank you for supporting american manufacturing!

DOUBLE SEAL DESIGN : Offers reliable security for personal & professional mailing; sturdy metal dual prong clasps & gummed seals w/ tough adhesive glue.

NO. 6 x 9 BOOKLET ENVELOPE PACK : 6” x 9” size business envelopes are perfect for mailing a variety of big documents including booklets, catalogs, forms, invoices & cards great envelopes for mailing tax returns ideal size for brochures, legal docs, wedding invitations & direct mailers offers maximum space within USPS 1-stamp dimension requirements; buy bulk & save big on both supplies & shipping.

DURABLE 24LB PAPER : These colored business envelopes are crafted from durable 24lb High quality Starburst paper. This makes them economical and durable.

BRIGHT COLOR : These brightly colored envelopes never fail to impress. Attractive and attention-grabbing, these multicolor envelopes are a popular choice for sending marketing mailers.

HEAVYWEIGHT ENVELOPE SET : Box of 100 single envelopes accommodates variety of small & large documents for home, office, business, legal & more.

SUPER STRONG CONSTRUCTION : Standard brown kraft envelopes are crafted of heavy, durable 28lb paper for exceptional rip, tear & puncture resistance.

DOUBLE SEAL DESIGN : Provides dependable security for work & personal mailing; features reusable dual prong clasps & gummed seals w/ tough adhesive glue.

9 x 12 BOOKLET ENVELOPE PACK – Business Envelopes Are Perfect for Mailing a Variety of Big Documents Including Booklets, Catalogs, Forms, Invoices & Cards Great envelopes for mailing tax returns

PEEL AND SEAL CONVENIENCE – Easy Close Design Features Durable No Lick Flap with Pre-Moistened Adhesive Strip & Removable Backing; Just Peel, Press & Send

HEAVY 28 LB PAPER STOCK – Prevents Rips, Tears, Weather & Travel Damage While Providing Thick, Durable Surface for Printed Return Address & Other Custom Detail

HEAVYWEIGHT ENVELOPE SET : Box of 100 single envelopes accommodates variety of small & large documents for home, office, business, legal & more.

SUPER STRONG CONSTRUCTION : Standard brown kraft envelopes are crafted of heavy, durable 28lb paper for exceptional rip, tear & puncture resistance.

DOUBLE SEAL DESIGN : Provides dependable security for work & personal mailing; features reusable dual prong clasps & gummed seals w/ tough adhesive glue.

NO. 9 BUSINESS ENVELOPES : Our business envelopes # 9 3 7/8 x 8 7/8 are convenient for all-round use and perfectly fit standard 8.5’’ x 11’’ letters, documents, invoices, checks, fits great when inserted in the #10 Standard Envelopes return envelopes and more.

DURABLE 24LB PAPER : These colored business envelopes are crafted from durable 24lb High quality Starburst paper. This makes them economical and durable.

BRIGHT COLOR : These brightly colored envelopes never fail to impress. Attractive and attention-grabbing, these multicolor envelopes are a popular choice for sending marketing mailers.

PERFECT FOR BUSINESS USE: Our neutral white business envelopes # 9 3 7/8 x 8 7/8 are convenient for all-round use and perfectly fit standard 8.5’’ x 11’’” letters, documents, invoices, checks, fits great when inserted in the #10 Standard Envelopes return envelopes and more. The pack of 500 also gives you better value for your money, making them ideal envelopes for both home and office use.

IDEAL FOR SENSITIVE DOCUMENTS: These letter sized envelopes come with premium security tinted patterns for extra protection for sensitive information. They are perfect for keeping confidential documents like business and legal documents safe from unauthorized prying eyes till they reach the desired destination.

EASY SELF-SEAL DESIGN: The tamper-proof self-adhesive design on our mailing envelopes allow you to quickly and easily seal them with zero licking. All you need to do is remove the seal’s fold-over flap and stick the lip. This is a more convenient and more secure option compared to conventional adhesive strip

PERFECTLY SIZED 6X9 BOOKLET ENVELOPES: These booklet envelopes are ideal for mailing a wide range documents and paper materials, including letters,Christmas cards,wedding invitations, direct mail,storing some small items ,catalogs and more.

EASY SEAL ENVELOPES: These 6x9 self sealing envelopes come with easy-to-use peel & seal strips, which delivers hassle-free and moisture-free closure. Just peel off the strip to expose the adhesive on the flaps of these 6 x 9 booklet envelopes. Press down on the flaps to seal the envelopes.

STRONG AND ECONOMICAL: Made from 28 pound paper, these 6x9 self sealing envelopes are much more durable than regular 24 pound business envelopes. They can carry heavier stacks of documents, newsletters, and other marketing materials.

9 x 12 BOOKLET ENVELOPE PACK – Business Envelopes Are Perfect for Mailing a Variety of Big Documents Including Booklets, Catalogs, Forms, Invoices & Cards Great envelopes for mailing tax returns

PEEL AND SEAL CONVENIENCE – Easy Close Design Features Durable No Lick Flap with Pre-Moistened Adhesive Strip & Removable Backing; Just Peel, Press & Send

HEAVY 28 LB PAPER STOCK – Prevents Rips, Tears, Weather & Travel Damage While Providing Thick, Durable Surface for Printed Return Address & Other Custom Detail

NO. 9 x 12 BOOKLET ENVELOPE PACK : 9” x 12” size open side business envelopes are perfect for mailing a variety of big documents including booklets, catalogs, forms, invoices & cards great envelopes for mailing tax returns ideal size for brochures, legal docs, wedding invitations & direct mailers.

DURABLE 24LB PAPER : These colored business envelopes are crafted from durable 24lb High quality Starburst paper. This makes them economical and durable.

BRIGHT COLOR : These brightly colored envelopes never fail to impress. Attractive and attention-grabbing, these multicolor envelopes are a popular choice for sending marketing mailers.

SUPER STRONG CONSTRUCTION – Standard White Envelopes Are Crafted of Heavy, Durable 24lb Paper for Exceptional Rip, Tear & Puncture Resistance

BOOKLET ORIENTATION – Classic Open From side Style Enables Fast, Convenient Stuffing for Letter, Legal Document, Pamphlet, crafts, Coupons, Greeting Card, Christmas Cards, Wedding Invitations, hand made greeting cards, folded letters, CDs, Other Common Mailers

LETTER SIZE PRICING – Ideal 6” x 9” Size Offers Maximum Space Within USPS 1-Stamp Dimension Requirements; Buy Bulk & Save Big on Both Supplies & Shipping

VERSATILE #7 ENVELOPES: Whether you need money envelopes for cash or small envelopes for storing seeds, keys, or sorting general clutter, our bulk pack is perfect for organizing all kinds of miniature items.

HEAVY DUTY 24lb PAPER: Serving as high-quality and easy-to-use money organizers for cash, our white envelopes appear crisp and presentable while hiding their contents to maintain privacy.

PEEL AND SEAL CLOSURE: Our small cash envelopes have a strong adhesive under the peel-off strip on their flaps. Simply remove the strip and press the flap down for secure closure.

VERSATILE #7 ENVELOPES: Whether you need money envelopes for cash or small envelopes for storing seeds, keys, or sorting general clutter, our bulk pack is perfect for organizing all kinds of miniature items.

HEAVY DUTY 24lb PAPER: Serving as high-quality and easy-to-use money organizers for cash, our white envelopes appear crisp and presentable while hiding their contents to maintain privacy.

PEEL AND SEAL CLOSURE: Our small cash envelopes have a strong adhesive under the peel-off strip on their flaps. Simply remove the strip and press the flap down for secure closure.

VERSATILE #7 ENVELOPES: Whether you need money envelopes for cash or small envelopes for storing seeds, keys, or sorting general clutter, our bulk pack is perfect for organizing all kinds of miniature items.

HEAVY DUTY 24lb PAPER: Manufactured with high-quality brown kraft paper, our manilla envelopes feel crisp and presentable, staying intact while hiding their contents to maintain privacy.

PEEL AND SEAL CLOSURE: Our self-sealing manila envelopes have a strong adhesive under the peel-off strip on their flaps. Simply remove the strip and press the flap down for secure closure.

VERSATILE #7 ENVELOPES: Whether you need money envelopes for cash or small envelopes for storing seeds, keys, or sorting general clutter, our bulk pack is perfect for organizing all kinds of miniature items.

HEAVY DUTY 24lb PAPER: Manufactured with high-quality brown kraft paper, our manilla envelopes feel crisp and presentable, staying intact while hiding their contents to maintain privacy.

PEEL AND SEAL CLOSURE: Our self-sealing manila envelopes have a strong adhesive under the peel-off strip on their flaps. Simply remove the strip and press the flap down for secure closure.

VERSATILE #7 ENVELOPES: Whether you need money envelopes for cash or small envelopes for storing seeds, keys, or sorting general clutter, our bulk pack is perfect for organizing all kinds of miniature items.

HEAVY DUTY 24lb PAPER: Manufactured with high-quality brown kraft paper, our manilla envelopes feel crisp and presentable, staying intact while hiding their contents to maintain privacy.

PEEL AND SEAL CLOSURE: Our self-sealing manila envelopes have a strong adhesive under the peel-off strip on their flaps. Simply remove the strip and press the flap down for secure closure.

#10 business letter envelopes for personal or professional use

Includes 500 #10 envelopes made of 24-pound standard white woven paper for quality and strength; no tint

Moisture activated gummed closure ensures a secure seal

300-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

Clasp envelope (100-pack) for filing, storing, or mailing documents

Double-prong metal clasp closure and reinforced eyelet keep documents securely contained

Moisture-activated gummed surface on flap creates a permanent seal

Perfectly fits QuickBooks Laser Checks, or other computer printed checks: checks will slide in easier with a slightly wider design than the standard two window 8 5/8 envelope

Checks amounts and memos will not be visible: Only addresses will show through our unique 2 window design with no need to change QuickBooks, QB Online, or Quicken settings

Provides complete check security: your checks will be hidden with our security tint design

SUPER STRONG CONSTRUCTION – Standard White Envelopes Are Crafted of Heavy, Durable 24lb Paper for Exceptional Rip, Tear & Puncture Resistance

BOOKLET ORIENTATION – Classic Open From side Style Enables Fast, Convenient Stuffing for Letter, Legal Document, Pamphlet, crafts, Coupons, Greeting Card, Christmas Cards, Wedding Invitations, hand made greeting cards, folded letters, CDs, Other Common Mailers

LETTER SIZE PRICING – Ideal 6” x 9” Size Offers Maximum Space Within USPS 1-Stamp Dimension Requirements; Buy Bulk & Save Big on Both Supplies & Shipping

Color: Clear

Size: Letter (9.75 x 1.25 x 13 inches)

Quantity: 12 per pack

500 standard-size security-tinted #9 double window envelopes

Ideal for 8.5-by-11-inch computer-generated invoices and statements

Double windows 3/8-inch from the left to show sender info (2 inches from bottom) and recipient info (1/2 inch from bottom)

10 business letter envelopes with single left address window

Includes 500 10 envelopes made of 24-pound white woven paper for quality and strength

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

Quality Park's 6 x 9 catalog envelopes are perfect for holding folded documents or smaller items. They are great for mailing, storage and organizing in both home and office environments.

Redi-Strip provides a clean, quick seal immediately upon contact. Simply peel off the adhesive strip and press to seal. The peel-off strip protects the adhesive from dust for a longer shelf life

Manufactured from heavyweight 28 lb. white wove stock to give contents extra protection during mailing, storage and handling

Get a box of 100 Columbian 9 x 12 envelopes with SimplySafe tamper-evident pull strips and security tinted interiors for mailing sensitive oversized documents; easy peel off Release & Seal closure

Columbian 9 x 12 envelopes have a patented SimplySafe seal that will show signs of tampering, safeguarding against unauthorized opening

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

NO. 6 x 9 BOOKLET ENVELOPE PACK : 6” x 9” size business envelopes are perfect for mailing a variety of big documents including booklets, catalogs, forms, invoices & cards great envelopes for mailing tax returns ideal size for brochures, legal docs, wedding invitations & direct mailers offers maximum space within USPS 1-stamp dimension requirements; buy bulk & save big on both supplies & shipping.

DURABLE 24LB PAPER : These colored business envelopes are crafted from durable 24lb High quality Starburst paper. This makes them economical and durable.

BRIGHT COLOR : These brightly colored envelopes never fail to impress. Attractive and attention-grabbing, these multicolor envelopes are a popular choice for sending marketing mailers.

A Quantity of 500 - 9 x 12 Booklet Envelope - 28# White

28# White Wove Paper - Regular Gummed Flap

Great for mailing Invoices, statements, catalogs or announcements.