The 9 Best 9x12 Large White Envelopes (2023 reviews)

The latest aimoh 9x12 large white envelope is an absolute beast in terms of its features, and rightfully takes the top spot with ease. These are certainly high-quality envelopes. It is manufactured from heavyweight extra white sturdy wove stock paper, combining a professional security tint pattern and smooth finish. It conceals confidential papers and seals well. The white color is great so a label can be added for labeling purposes.

It is 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. They are extremely reasonable, and the quality is fantastic. These are very sturdy and work perfectly to send secure documents. It holds several pages. It is great in terms of adhesion and easy to write on.

Why We Like This:

Useful large envelopes to mail larger items
With good self-sealing strip, nice strong quality
Durable, the sealing tape always works

Best For shipping dirty panties: Ampad 9x12 Large White Envelope

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The ampad 9x12 large white envelope gives the top-tier envelope a run for their money by offering flagship specs at a much more affordable price. These are the best white 9"x12" envelopes available at the time of this review writing. They have the security panel inside and the peel and stick is very sticky. The self-seal saves a lot of time when preparing large mailings. They're very light and great for mailing documents.

Convenience features make these envelopes ideal for mass mailings, special projects, or packets. They work and are a good size for tax returns. These are a plain envelope. These are very good quality envelopes and work perfect for resumes.

Why We Like This:

Easiest envelopes to stuff, peel and seal, job well done
Nice quality and the adhesive works
Holds up to sending through the mail
White material is strong, good adhesive and easier to work with than clasp envelopes

Best For sending confidential documents: blue Summit supplies 9x12 Large White Envelope

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The blue summit supplies 9x12 large white envelope should be able to handle its purpose and duties with ease. The Thick 28 lb white wove paper construction allows for further security and durable construction to protect your contents. It allows for storage of many different types of documents from receipts, photos, or small documents to large reports, company financials, magazines, promotion materials, or tax documents. The paper is pleasant surfaced to write on smoothly for good presentation. The peel away strip for top secure closure is handy for quick sealing without having to moisten envelopes when working with multiple mailings.

These are sturdy, but they are not shred resistant and are definitely not on the same sturdiness as tyvek. The envelopes are great quality. They come in a box with the flaps down. The envelopes are not heavy duty or superior quality but will serve for 80% of needs and are priced appropriately for the level of quality.

Why We Like This:

Good investment for long term
Lot of satisfied buyers

Best For certificates: Amazon Basics 9x12 Large White Envelope

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Amazon Basics offers a variety of envelope for personal choice and yet maintaining quality in all the variants. There are literally so many versatile uses for these bags. These are appropriate to send a few sheets that you don't want to fold. The adhesive for the flap closure is very strong and once you have sealed it will have to rip the envelope to open it. It does allow peeling and resticking.

These envelopes are very thin and see through. It is a good test of the envelope's capacity. These are peel-and-seal, so there's no liking glue involved. These are large enough to hold a folder. It works for the most part as a general full page size envelope.

Why We Like This:

Non curled makes it easier to print
Branding or watermarks on front, back, inside or out
Classier than manila and easy to write on
Simple, clean, white, self-sealing, thin, and affordable

Best For Mailing business materials: ACSTEP 9x12 Large White Envelope

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Next on the list, we've got yet another envelope that manages to win our hearts. It's the acstep 9x12 large white envelope and it's widely considered as envelope that has the most suitable features. This set of 10 self-sealing envelopes is excellent for sending cards, invitations, and pictures. It is made of durable white paper, and the envelope provides a high quality smooth surface finish and super secure privacy for labeling or addressing. Each envelope is 5 inches by 7 inches in size and has a peel-and-stick seal on each. The paper is thick and non-see-through.

The self-sealing is excellent and very strong. It takes a second to crease them to close. It has a peel off strip for adhesion. These are a perfect size for some cards.

Why We Like This:

Thin, strong adhesion, and priced correctly
A fantastic set of 100 self-sealing envelopes
Good investment for long term

Best For business: Eupako 9x12 Large White Envelope

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For small businesses and small items, this envelope is really best. It is a professional manufacturer of paper products and disposable food packing supplies, like envelopes, paper bags, paper box, plastic cups with lids, plastic dessert cups. It includes 250 pack 9x12 envelopes with self seal, meeting the need of home, office and business use.

The self seal catalog envelope is easy to use. It is designed with a self seal and pre-folded flap, saving much time when handling multiple mailings. It is ideal for mailing catalogs, photos, booklets, bulletins, brochures, magazines and 60 sheets of standard letter size papers. These are well made envelopes with good adhesive. It is easy to stack on a shelf for convenient daily use.

Why We Like This:

Need to worry about smudging or jamming when going thru printers
Easy to use and smart envelope
One of the new comers and featured product

Best For sending documents: Quality Park 9x12 Large White Envelope

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate envelope. The quality park 9x12 large white envelope is exactly that - it's a simple envelope that hits all the right notes. It fits a regular magazine/brochure east. It is perfect for everyday business use, and Quality Park's 9 x 12 catalog envelopes are designed with a strong self seal adhesive strip to create a full, secure seal that won't open or tear. The "Redi-Strip" adhesive is not very close to the edge of the flap, so the un-adhered portion of the closing flap ends up catching on things and getting bent. It protects the adhesive from dust for a longer shelf life.

It is great for mailing, storage and organizing in both home and office environments. It is a plus that the mailers have the easy pull tab so you dont have to lick them close. This is great for saving a tiny bit on postage.

Why We Like This:

Good quality envelopes, priced right, delivered quickly & packed well
Nice envelopes, seal great and look great
Heavy paper, with a smooth finish

Best For flat rate mailings: Columbian Envelopes 9x12 Large White Envelope

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These professional-looking business envelopes are made from durable white wove paper. It is ideal for flat rate mailings. Release & Seal envelopes are affordable self-sealing options that don’t require moisture. This replacement box of envelopes is packaged in a much more suitable Amazon box that helps snug the envelope box.

The White Wove envelopes provide privacy, protection and durability. A peel able paper strip protects the adhesive from dust so your envelopes last longer in storage. It is perfect for large document storage and mailings.

Why We Like This:

Bond secures your enclosures in a crisp, bright white mailer
Delivers what they promise

Best Feature: sheerness: JAM Paper 9x12 Large White Envelope

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These envelopes are the perfect size and the quality of the paper is excellent. The envelope is white and easy to decorate with christmas decals. It features a straight flap with gummed closure and smooth paper finish. The front of these envelopes are plain white with no extra features or markings. They go right through the printer with no problem. The envelope is as sturdy as any other large envelope. It allows extra room for easier access.

Why We Like This:

Perfect size and nice white matte paper.decent thickness
Perfect for personal mail, business mailings, greeting cards, announcements, and so much more
Appropriate for both business and personal needs
Great sizing for 5x7cards and envelopes