The 7 Best custom windowed Envelopes (2023 reviews)

custom windowed envelopes
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We consider a custom windowed envelope to be a worthy investment in the long run. We are here to help you choose the right one for your purposes from all the best available products in market today.

Our review process:

Our Top Picks:

Best Overall:
Buy: Aimoh custom windowed Envelope
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Best For money:
Buy: Aimoh super Secure Seal
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Best For Business letter:
Buy: Amazon Basics custom windowed Envelope
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Best For letter Paper:
Buy: Blue Summit supplies custom windowed Envelope
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Best For Check:
Buy: Quality Park custom windowed Envelope
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Best For Mailing HCFA Forms:
Buy: Blue Summit supplies Strong LASTING Seal
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Best With logo:
Buy: Alliance Business products custom windowed Envelope
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Best Overall: Aimoh custom windowed Envelope

Aimoh custom windowed Envelope
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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 business use, #10 single window security tint envelopes are the perfect choice. The windows are appropriate and they are heavy enough to not show through. There is a plastic strip covering the adhesive that must be removed and discarded however. These are easy to peel off the paper to seal the envelope.

The envelopes have a tab that you can pull that already has the glue on it so you do not have to lick the envelopes. It's perfect for invoices, statements and many more business uses.

Why We Like This:
  • Plastic window melts with laser printer
  • New and hot release

Best For money: Aimoh super Secure Seal

Aimoh super Secure Seal
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Compared with other envelope in this category, the aimoh super secure seal has a convenient design. These envelopes flawlessly hold letters. They seal easily and are made of decent paper. They are the right size to accommodate standard typing paper if folded in three. The self seal is a nice alternative to paper cuts on your tongue. They actually close perfectly to fit the content you put inside of them. It is great in a laser printer.

It is manufactured from heavyweight extra white sturdy wove stock paper, combining a professional security tint pattern and smooth finish. The self-sealing sticky is wider, too.

Why We Like This:
  • Seals well with pull off adhesive tape
  • Very good quality and easy to use
  • Nice heavy duty bright white envelopes

Best For Business letter: Amazon Basics custom windowed Envelope

Amazon Basics custom windowed Envelope
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The amazon basics custom windowed envelope's high-end materials makes sure that it ages well with use. These AmazonBasics #10 security-tinted envelopes, peel & seal, are very secure and nothing can be read from the content no matter how bright light you hold them against. It works well for direct printing, labeling, or addressing by hand. It is a thinner envelope.

The window is 7/8 over from the left envelope edge. It is perfect width to catch and hang up a tri-folded letter when hand stuffing the envelope. The adhesion is great and there is no sheerness to the body. It is used for employees payroll checks.

Why We Like This:
  • Great value for a big mailing
  • One of the new comers and featured product

Best For letter Paper: Blue Summit supplies custom windowed Envelope

Blue Summit supplies custom windowed Envelope
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The blue summit supplies custom windowed envelope should be able to handle its purpose and duties with ease. These babies are a real envelope development. It is perfect for quickbook check printing with the two windows to show. The 2 windows are the right sizes and in the right places for QuickBooks checks. The Gummed flaps come folded away from each other, so there is no protective peel strip to remove. They are inexpensive but yet provide good quality.

These are intended to be one-time use. It is perfectly fits for quickbooks checks, or other computer printed checks. It is so nice to be able to flip the flaps over and have the envelope sealed.

Why We Like This:
  • Tear-offs, no licking, and a very good tight seal
  • Perfect for quickbooks payroll and billing
  • Adhesive is clean and looks professional
  • Perfect envelopes for quickbooks online checks

Best For Check: Quality Park custom windowed Envelope

Quality Park custom windowed Envelope
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Quality Park offers a variety of envelope for personal choice and yet maintaining quality in all the variants. These envelopes work fine for Quicken checks. This slightly wider envelope comfortably accepts the somewhat wider laser business checks format. It measures 7/8 x 3 1/2 inches, 7/8 inch from the left and 3/4 of an inch from the bottom. It comes with security tint for privacy & a redi strip self seal closure for fast easy mail days. It fits checks perfectly and it is great with quickbook checks.

These are the return-check envelopes companies put inside the mailer so that customers have an envelope to return. It is built to fit quickbooks and other computer generated checks.

Why We Like This:
  • Keeps contents safe from prying eyes, even if held to light
  • Precise measurements keep check amounts and memo lines out of view
  • Perfect fit for harland checks, and much cheaper and faster to buy on amazon

Best For Mailing HCFA Forms: Blue Summit supplies Strong LASTING Seal

Blue Summit supplies Strong LASTING Seal
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They are magical envelopes. They make HCFA preparation more efficient with the self seal. Your laser printed forms' addresses will show perfectly through the envelope window. The adhesive on the lip is nice so no licking is required. The "fold" for the envelope is not solid, so you have to carefully close the envelope. The envelope itself is larger which makes folding a breeze. It is perfect for cms. The envelope is perfect for CMS.

Why We Like This:
  • Designed specifically for mailing the current hcfa 02/2012 cms 1500 forms
  • One of the new comers and featured product

Best With logo: Alliance Business products custom windowed Envelope

Alliance Business products custom windowed Envelope
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The alliance business products custom windowed envelope is suitable and reliable and fits well with your regular usage.

Why We Like This:
  • Delivers what they promise
  • One of the new comers and featured product