The 9 Best Large Double Window Envelopes (2023 reviews)

The amazon basics large double window envelope is capable of outshining several other envelope featured in this list in overall features. It includes confidential account or client information, the envelopes feature plastic windows and an interior security tint that prevents documents from being read through the envelope when held up to the light. The glue holds well and the flaps stay securely down. It comes with the ceiling strips, which will save more time. The security feature helps when passing them out during the first week of school, so kids wouldn't poke around in other people's envelopes.

The quality of the envelopes is good. It is great for sending out quickbooks and printed checks. It is a function of where simply prints the vendor's name and address.

Why We Like This:

Great quality and value for a small business
Thick enough for strength and privacy
Fits the standard sizing and window placement
Enveloped and are intended for invoices and statements but not cheques

Best With logo: Prime Business Checks Large Double Window Envelope

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The prime business checks large double window envelope might be a relatively new release, but it's still nothing short of impressive this year. It is perfect for custom printed checks at home or the office. It is designed for business checks, quickbooks, laser checks and security tinted self adhesive peel and seal white size 3 58" x 8 1116" (checks will not move) 24 lb 500 per box.

The consistency of the paper and the peel & seal strip is always spot on. They fit the checks perfectly, and there's just enough room to put in a sheet or two of paper in case you need to also send a statement or similar. The window placements match up perfectly and don't allow additional information to peek through.

Why We Like This:

Works perfectly with business checks printed out of financial edge
Even glue and easy to peel
Perfect for quickbooks checks strong self seal

Best For company: Blue Summit supplies Large Double Window Envelope

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We would, of course, be remiss if we didn't mention blue summit supplies large double window envelope for daily purpose. As far as gummed double window security envelopes go, these are top notch. They seal securely. The envelopes look good, and seal well. They fit checks printed from Quickbooks perfectly and they are very easy to insert the check. These checks are much better and only show the addresses on the checks.

You have to seal them, but you can buy bottles of envelope adhesive and it's worth it. This envelope provides security from people being able to read what's on the check, thanks to the pattern printed on the inside. It will last longer, and seal more neatly.

Why We Like This:

Designed for quickbooks and computer generated checks
Windows in perfect location for intuit laser checks
Delivers what they promise

Best For Mailing off letters: HERKKA unique Window

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If you’re looking for the perfect security envelopes with professional security tint, and strong, quick seal strips, in a great value 500 envelope supply, perfect for everyday use, herkka #10 security tint envelopes are the perfect choice. They have a flip and seal design that makes it easy to close them without any hassle. The security feature helps to block what is inside the envelope.

The envelope has a premium security tinted pattern and ultra strong easy seal. It is perfect for mailing off letters. There is a little left-to-right movement of the document to take into account for the window addresses that need to be attentive to. If you are using quickbooks for your small business these will fit standard sized business checks. It is great to have at home when mailing out important documents and other information that need attention to.

Why We Like This:

More wetness, no more pulling paper off
10 dual window envelope, fits std checks
Good adhesion, and no problem with removing the strips

Best For Mailing Invoices: HERKKA Large Double Window Envelope

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The herkka large double window envelope is satisfactory and appropriate and fits well with your daily purpose. This envelop set is worth the money, it is made with great quality paper and good adhesive most of all it is easy to peel and stick. It works well with invoicing and other mailing needs. The paper can't be seen through and the plastic windows are clear and are properly adhered to the surrounding paper, so they doesn't separate, and the self-sealing strips stick well and keep the envelopes closed. The addresses line up perfectly in the windows. The glue is very tacky and seals instantly.

The envelope seals well but you can still open it (carefully) if you accidentally seal it. These offer very good privacy.

Why We Like This:

Nicely constructed, quality paper and materials
Delivers what they promise

Best For Your timeline: Quality Park Top Window

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The quality park top window might be a relatively new release, but it's still nothing short of impressive this year. Self sealing envelopes are one step easier and quicker than the ones that have the strip you have to remove before you seal them. Redi-strip envelopes increase efficiency with removable strips and adhesives that seal without moisture—simply peel and press. The flap does not completely cover the sticky stuff on the back. They are easy to stuff & seal, and stay sealed.

These time-savers eliminate the hassle of everyday and large bulk mailings. The self adhesive feature is awesome. The envelopes seal very well with the two flaps once they're pressed together. It protects yourself and customer/client data with security features that keep personal information confidential while in transit.

Why We Like This:

Self adhesive with no licking and no peeling
Security-tinted window and double-window envelopes to fit billing statements, paychecks and receipts
Nice that they are self sealing and no paper to tear off
Makes stuffing envelopes a lot easier and quicker

Best For Your budget: Quality Park Large Double Window Envelope

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Compared with other envelope in this category, the quality park large double window envelope has a cost-effective design. These envelopes are perfect for invoices and checks. It is perfect for when your budget and your timeline are tight. The self stick saves many labor hours. The unique double flap design allows you to simply raise the lower flap and press to seal. It measures 3-5/8" x 8-5/8 to add to that design for easy insertion.

These time-savers eliminate the hassle of everyday and large bulk mailings. The envelopes are perfect for invoices and checks. The sticky seal is simply to keep it closed and not fall apart in the mail. These envelopes are perfect for the busy office.

Why We Like This:

Packaged well and self-seal always works
Well made security envelope perfect fit
Lot of satisfied buyers

Best For Other confidential documents: PANDRI Large Double Window Envelope

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Pandri offers a variety of envelope for personal choice and yet maintaining quality in all the variants. It has 500 quality #9 double window envelopes for a long lasting supply, perfect for bulk mailings or other confidential documents. It has this design that makes it quicker and easier to send more invoices,just peel and press without the need for glue sticks and licking envelopes, a huge time save. It fits with no creative folding.

The peel off and stick strip works perfectly and seals tightly. It comes with a security tint for privacy and is used to protect sensitive data. It is perfect for secure business and legal mail, invoices or other confidential documents. It has 500 quality #9 double window envelopes for a long lasting supply, perfect for bulk mailings.

Why We Like This:

Great product, not too flimsy and easy to seal to close
Makes mailing checks out so incredibly easy
Lot of satisfied buyers

Best For sturdiness: Aimoh Large Double Window Envelope

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The aimoh large double window envelope should be able to handle its purpose and duties with ease. This one really makes a firm seal. It is perfect window alignment for invoices and checks with a sage accounting program. It can tear and or melt with certain machines. The adhesive is good, but it gets all over your fingers when removing the tabs.

The stick sticks, the checks fit and the quality is superior. These can be easily opened.

Why We Like This: