Best Self Seal Catalog Mailing Envelopes in 2026

Reusable, double prong metal clasp is durable and designed for repeated use and eyelets are reinforced . Great for home, office, school, interoffice or mailing.

Perfect for everyday home and business use, clasp envelopes are made from heavyweight 28 lb. brown Kraft stock to give contents extra protection during mailing, storage and handling.

In addition to the clasp closure, these envelopes have a moisture activated seal with deep gumming on the flap to create a permanent seal.

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

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

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,

10x13 CLASP ENVELOPE SET – Pack of 15 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

【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

HEAVY DUTY ENVELOPES – They are Practically Indestructible and provide superior protection from tears, punctures and moisture. Also, they are self-sealing and secure.

INDESTRUCTIBLE DUPONT DESIGN – Lightweight But Strong, Durable Tyvek Material Resists Ripping, Tearing, Punctures, Rain, Moisture & Other Common Postal Threats

CONVENIENT SELF SEAL CLOSURE – Peel Back the Sticker to Quickly & Effortlessly Seal & Send; Open End Catalog Orientation Enables Fast Paper & Packet Stuffing

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

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 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,

10x13 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,

250 PACKS KRAFT ENVELOPES - Package contents 250 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.

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.

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.

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.

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

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 - 10" Width x 13" Length - 28 lb - Self-sealing - 10 / Pack - White

Press-to-seal design creates fast, secure closure

Sturdy, 28 lb. stock withstands abuse during transit

Catalog - 9" Width x 12" Length - 28 lb - Self-sealing - 10 / Pack - White

Press-to-seal design creates fast, secure closure

Sturdy, 28 lb. stock withstands abuse during transit

⭐ CATALOG ENVELOPES. These 10" x 13" self-sealing envelopes are designed to save your time and money. No licking and long shelf life (free for dust). Suitable for home, office, business, legal and more.

⭐ SECURE. 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 half size catalogs or magazines.

⭐ WHITE 24LB STOCK. Perfect for everyday business use, these standard white envelopes are crafted of heavy, durable 24lb paper and securely holds hefty files during transit.

6X9 CATALOG ENVELOPES: Perfect size for safety mailing or storing small items like envelopes, DVD, folded letters

HIGH QUALITY PAPER: Made with recycled 28lb kraft brown paper, strong enough for mailing or storing heavy documents, letters, or other bulky contents

COMPLETE SECURITY: Your documents are safe from others during transit. Thick opaque paper prevents others from seeing your contents in everyday business mailing with the strong adhesive tape on flap

FEATURES THICK 3.5 MIL PLASTIC AND PERMANENT PEEL AND SEAL CLOSURE - Peel and stick adhesive closure with perforations for easy opening

PERFECT FOR DIRECT MARKETING MAILINGS FOR BUSINESS OR PERSONAL USE - Mail catalogs, brochures, flyers, sales and more

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

Sufficient Quantity: you will receive 500 self seal envelopes, enough for you to use on any occasion; Printable catalog envelopes allow you to print shipping label or other custom label via your laser or inkjet printers, suitable for home, office, business, legal and more

Kraft Envelopes 9 x 12 Inch: these security Kraft envelopes are 9 x 12 inches in size, suitable for standard letter size paper, business documents, photos, contracts, magazines, etc.; No need to fold, easy to carry

Heavyweight Paper Material: our envelopes are made of stronger Kraft with excellent tear and puncture resistance; Due to the thicker paper, it is difficult to see the contents, the brown Kraft material will ensure the privacy of the envelope contents and is reliable enough to withstand normal postal wear and tear without break

Package Includes: you will get 500 pieces of self adhesive kraft catalog envelopes in 3 different sizes, including 100 pieces of 10 x 13 inches envelopes, 150 pieces of 9 x 12 inches envelopes, and 250 pieces of 6 x 9 inches envelopes, enough to meet your various daily use needs, you can also share with your friends or colleagues

Various Sizes: these kraft paper catalog envelopes come with 3 sizes, can be applied for storing various sizes of letters, postcards, greeting cards, photos, small gifts, and can also be applied to wrap most kinds of invitation cards, birthday cards, thank you cards, Christmas cards, business cards and so on

Easy to Apply: our security catalog envelopes have a self adhesive design, each envelope is attached with a separate tape, just lift the back strip, press and sealing, easy to use, no need to buy additional stickers, which can save time and effort

What You Will Get: you will receive 500 pieces of security white catalog envelopes; Enough quantity can meet your daily needs and replacement needs, and you can also share them with friends or others

Security Design: these security envelopes are printed with a tinted pattern inside, so your documents cannot be seen or stolen by others during transmission; They can securely store sensitive documents, such as tax, legal and financial documents and so on

Large Enough Size: security tinted envelopes measures about 6 x 9 inches/ 15.5 x 23 cm; Large size of security envelopes is suitable and portable for storing more papers and documents

Ample Quantities to Use and Share: we have prepared a total of 200 pieces of seal flap envelopes for you in the package; The abundant quantity can satisfy your use and replacement needs in your daily life, allowing you to make organized storage of personal and corporate documents, ideal for storing receipts, monthly financials, tax returns, magazines, reports and so on

Provide Security: these mail security envelopes are designed with a security tint pattern inside, which will show signs of tampering, safeguarding against unauthorized opening; So your documents will not be seen or stolen during transmission; You can store sensitive documents, such as tax, legal and financial documents

One Fits Most: the size of our secure mailing peel envelopes is about 10 x 13 inches/ 25.5 x 33.5 cm, which are suitable for most letter size paper; The big capacity allows it to hold up to 60 sheets of paper without worrying about the contents in the white mailing envelopes falling out during transit