Best Self Seal Catalog Envelopes in 2026

250-Pack of 9 x 12 inch catalog envelopes

Durable 28-pound brown kraft material provides privacy and strength

Easy-to-seal Peel & Seal closure—no moisture needed

Quality Park 12x15 1/2 clasp envelopes are a staple of every office; a gummed flap & reusable clasp make them ideal for mailing and storage; 100/box

Envelopes have durable 2 prong metal clasps and reinforced eyelets to let you access your files as needed; open, close, repeat

A deeply gummed envelope flap is laid thick with moisture-activated adhesive; creates a firm seal you can trust in the mail

【9 X 12 Inches, 250 Packs】 Coming with a nice storage box, ValBox white catalog envelopes are 250pcs/packs. 9 x 12 inch self sealing envelopes is perfect for standard letter size papers, business documents, photographs, contracts, magazines and more without folding.

【Peel & Seal, No Licking】 This self seal catalog envelopes are easy to peel and seal with a strong flap adhesive, no licking of glue or water to moisten when working with multiple mailings. Good job in saving time.

【Provides Complete Security】 Adhesive on ValBox 9x12" security catalog envelopes creates a strong lasting seal. You don't need to worry about the contents in the white catalog mailing envelopes falling out during transit even you have put hefty 60 sheets of paper or magazines.

Perfect size for standard 8.5'' x 11'' letter paper, wide opening saves times when stuffing up to 60 sheets of letter paper securely

Just Peel and Seal to create a strong lasting seal: No need to worry about your contents failing out during transit even when shipping hefty shipments like 60 sheets of paper or magazines

Provides complete security: your documents are safe from others during transit. Safe for sensitive documents like tax, legal, and financial documents

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.

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

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

Color: Green

Size: #1 (2 1/4 x 3 1/2 inches)

Quantity: 25 envelopes per pack

6x9 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,

6X9 CATALOG ENVELOPES; Aimoh’s White 6x9 Security Envelopes combine a professional security tint pattern, large size for business documents and premium quality for the best 6x9 envelopes on the market

SECURITY TINT PATTERN; ideal for secure business mailing and sensitive correspondence, each 6x9 envelope contains a super secure, security tint pattern to protect contents, information and data when mailing

WHITE 28LB STOCK; perfect for everyday business use, Aimoh’s 6x9 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 and use high quality, white 28lb stock for a professional finish

【10 X 13 Inches, 150 Packs】 Coming with a nice storage box, ValBox white catalog envelopes are 150pcs/packs. 10 x 13 inch, perfect size for mailing important papers, business documents, booklets, catalogs, brochures or storing magazines, books and more. Your could also use them to ship t-shirts, small items or printed portfolios.

【Peel & Seal, No Licking】 This self seal catalog envelopes are easy to peel and seal with a strong flap adhesive, no licking of glue or water to moisten when working with multiple mailings. Good job in saving time.

【Provides Complete Security】 Adhesive on ValBox 10x13" large catalog envelopes creates a strong lasting seal. You don't need to worry about the contents in the white mailing envelopes falling out during transit even you have put hefty 60 sheets of paper or magazines.

10X13 CATALOG ENVELOPES; Aimoh’s White 10x13 Security Envelopes combine a professional security tint pattern, large size for business documents and premium quality for the best 10x13 envelopes on the market

SECURITY TINT PATTERN; ideal for secure business mailing and sensitive correspondence, each 10x13 envelope contains a super secure, security tint pattern to protect contents, information and data when mailing

WHITE 28LB STOCK; perfect for everyday business use, Aimoh’s 10x13 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 and use high quality, white 28lb stock for a professional finish

120 PACKS KRAFT ENVELOPES - Package contents 120 PCS security catalog envelopes, perfect size 6x9 inches, printable Kraft envelopes allow you print shipping label or other custom label via your laser or inkjet printers, great for household, office, business, legal and more.

HIGH QUALITY MATERIAL - Reject the cheap quality paper! All our Security Catalog Envelopes are made of superior Kraft paper in 2X thicken improvement to offer a top quality, which features exceptional rip, tear and puncture resistance, made to last.

SELF SEAL SECURITY CATALOG ENVELOPES - No glue and water required, no need to lick the envelopes to seal. The envelopes are with self seal design to offer a strong and convenient sealing experience for you, keep the inner documents safe all the time.

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

STURDY & SECURE: the strong adhesive will keep your mailing protected; an opaque security tint obscures sensitive correspondence or private data

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

6x9 Envelopes: Dimension of Eupako small catalog envelopes is 6x9 inches, smooth touching and professional looking, designed with a self seal and pre-folded flap, saving much time when handling multiple mailings.

Set of 250: Package includes 250 pack 6x9 envelopes self seal, meeting the need of home, office and business use. The catalog mailing envelopes are ideal for mailing catalogs, photos, booklets, bulletins, brochures, handmade cards, Christmas cards, wedding invitations and folded sheets of papers.

Self-sealing Flap: The brown catalog envelope is easy to use. Just peeling off the strip and sealing the flap to get an effortless mailing, no need to lick or moisten. Also, the adhesion of flap is quite strong, secure and lasting, keeping contents from falling out when transiting.

6x9 booklet envelopes, latex self seal, are the perfect size for holding half size sheets paper at 5.5” x 8.5”, or a standard 8.5'' x 11'' letter paper folded in half, with a wide opening that saves times when stuffing booklets, catalogs, cards, or brochures inside

Our booklet envelope 6x9 design opens along the long side edge, making them easy to stuff through the open side. Just press and seal to create a strong lasting seal, with no need to worry about your contents failing out during transit even when shipping hefty shipments like half size catalogs or magazines

The dark black security tint lining and permanent seal in our envelopes (6x9 inches) provide complete security your documents are safe from others during transit, making each envelope safe for sensitive documents like tax, legal, and financial documents

Brown 6x9 envelope perfect for mailing business materials, photos, multi-page documents, brochures, catalogs, etc.

Self Seal Envelopes: Go away with licking yucky glue! Peel, Press & Self Seal. Easy and time-saving. No paper cuts on your tongue and no need moisture.

Made of durable brown kraft paper, envelope provide high quality smooth surface finish and super secure privacy for labeling or addressing.

Adequate supplies: 50 pieces clasp envelopes with flaps are available in 4 different sizes, you will get 26 pieces envelopes of 5 x 7 inch, 14 pieces envelopes of 6 x 9 inch, 8 pieces envelopes of 9 x 12 inch, 2 pieces envelopes of 10 x 13 inch, different sizes can hold various files in different sizes

Essential tools: the brown kraft catalog clasp envelopes are the practical stationery that most offices would need; Designed to provide extra protection for items during mailing, storage and handling, it is very suitable for daily household and business use

Quality material: the brown kraft catalog clasp envelopes with clasp seal are made of quality kraft material, safe and durable to use with a durable metal clasp and a reinforced eyelet on the open end, so you won't worry about the content suddenly falling out

【Premium 6x9 Inches Brown Catalog Envelopes】 Set of Poever 6x9 Brown Catalog Envelopes includes 100 pack small mailing envelopes. Come with a sturdy self-seal box, which provides convenient storage, all the brown envelopes inside can be well protected during transportation and daily use.

【Perfect Size For Wide Use】Each catalog envelopes measures 6x9 inches, perfect size for personal, office and business mailing use, ideal for catalogs, documents, brochures, magazines, cards, photos, postcards, letters, bills and other sheets of papers, and also ideal for CD, coins, seed and other small parts.

【Strong Privacy Protection】 Our 6x9 brown kraft mailing envelopes are made of premium recyclable paper stock, which are thick enough to prevent transparency and ensure the items inside are not see-through. Poever White Catalog Envelopes are well-finish and durable, prevent your contents from scratch and stain.

BOOKLET ENVELOPES: These large envelopes are the professional way to ship flat but bulky materials, including pamphlets, brochures, sales literature, booklets, folders, annual reports, magazines, catalogs, and more. The rectangular flap is on the long side for easier filling. Our 6” x 9” envelopes are adaptable to a variety of professional situations.

MOISTENABLE GLUE SEAL: These envelopes are designed with a traditional moistenable adhesive sealing method, making them an excellent option for quick and easy projects. To seal, use the moistening method of your choice. Simply moisten the strip of adhesive, apply pressure, and you’ll have the perfect seal. It couldn’t be easier!

ADD TO YOUR SHIPPING SUPPLIES: These 6” x 9” envelopes are the perfect size for shipping a variety of materials and small items. The professional look will reflect on you, making you or your small business appear more official. Whether you use these mailing supplies for your business, professional, or even personal use, we have a variety of styles and colors that are adaptable to any use.

Perfect size for holding half size sheets paper at 5.5” x 8.5”, or a standard 8.5'' x 11'' letter paper folded in half, with a wide opening that saves times when stuffing booklets, catalogs, cards, or brochures inside

Just peel and seal to create a strong lasting seal, with no need to worry about your contents failing out during transit even when shipping hefty shipments like half size catalogs or magazines

The dark black security tint lining and permanent seal provide complete security your documents are safe from others during transit, making these envelopes safe for sensitive documents like tax, legal, and financial documents

6x9 White Envelopes with a Catalog Style Flap (Flap opens on the short end)

Made from High Quality, Thick, Heavyweight 28lb bond / 70lb text (105 gsm) Paper Stock

Standard Moisture Activated Gummed Flap for Sealing

BOOKLET ENVELOPE: These large envelopes are the professional way to ship flat but bulky materials, including pamphlets, brochures, sales literature, booklets, folders, annual reports, magazines, catalogs, and more. The rectangular flap is on the long side for easier filling. Our 9” x 12” envelopes are adaptable to a variety of professional situations.

MOISTENABLE GLUE SEAL: These envelopes are designed with a traditional moistenable adhesive sealing method, making them an excellent option for quick and easy projects. To seal, use the moistening method of your choice. Simply moisten the strip of adhesive, apply pressure, and you’ll have the perfect seal. It couldn’t be easier!

PRINTABLE & CUSTOMIZABLE: If you want to customize or label your envelopes with zero hassle, you’re in luck! These envelopes are printer friendly, so you can use your home laser or inkjet printer to address them. They are printable on both digital and offset commercial printers. No need to worry about smudging or jamming because these envelopes are made for compatibility with most printer models.

9x12 White booklet envelope.

Great for mailing out sales brochures, annual reports, and product literature

Envelope open on the side.

Sold as 100/Box.

Catalog envelopes are a convenient and reliable choice for personal and business mailing purposes. Comes in brown and made of kraft. Dimensions: 12"L x 15.5"H; size #15.5. Clasp & moistenable glue for secured sealing. Envelopes come in boxes of 100, making them an easy and economical choice.

1. Convenient self-sealing closure: Perfect size 6x9 inches (approximately 155x215 mm),self-seal envelopes have a self-adhesive seal that simply peels off to form a complete, secure seal across the width of each envelope, more convenient than ordinary wet and sealed envelopes, saving your time.

2. Secure coloring: Mailing envelopes are securely colored and have a windowless design. Secure coloring makes the envelope difficult to see through, protecting the contents and sensitive information, perfect for protecting sensitive information.

3. Long-time storage: These small envelopes can be used for a long time due to the peelable strips that protect the adhesive from dust. You can prepare some mailing envelopes in your office, school, home, etc. to ensure you use them when you need them.

Catalog Envelopes: These Guardian small envelopes self seal are perfect for business or personal use. Our business envelopes have an open-end design that simplifies inserting documents, booklets, templates, and more into the envelopes.

Multi-Purpose: Our bulk envelopes 6x9 come in a set of 500 small white envelopes in a box. These white booklet envelopes are ideal for storing important documents and business materials – including catalogs, booklets, multi-page documents, statements, financial documents, legal and insurance papers, and more.

Strong Seal: Our 6x9 envelopes small size feature an adhesive, gummed flap that seals securely when moistened. Our envelopes self seal will effectively contain the items you place inside.

FEATURES PERMANENT PEEL AND SEAL CLOSURE - Peel and stick adhesive closure with perforations for easy opening.

PERFECT FOR DIRECT MAILING FOR BUSINESS OR PERSONAL USE - Mail booklets size catalogs, brochures, invitations, greeting cards, announcements and more.

PROUDLY MADE IN THE USA - Take advantage of the high impact visibility of the contents.

Adequate quantity and suitable size: 100 pieces clasp envelopes with flaps are available in 3 different sizes; 50 Pieces envelopes of 5 x 7 inch, 30 pieces envelopes of 6 x 9 inch, 20 pieces envelopes of 9 x 12 inch, various sizes for you to choose, and sufficient quantity can meet your usage

Essential tools: these kraft catalog clasp envelopes are practical stationery needed in most offices; Designed to provide extra protection for items in the process of mailing, storage and handling, they are suitable for daily household and commercial usage

Quality material: featuring quality kraft material, these catalog envelopes with clasp seal are safe and reliable to use; Adopting a quality metal clasp and a reinforced eyelet on the open end, these envelopes will not let the content falling out easily