Home > Business Mailing Envelopes > 500 No. 8 Flip and Seal Double Window Security Check Envelopes - Designed for Quickbooks Printed Checks - Number 8 Size 3 5/8 Inch x 8 11/16 Inch ; Blue Summit Supplies

500 No. 8 Flip and Seal Double Window Security Check Envelopes

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20,207 reviews covering 45 products for the category Business Mailing Envelopes

Experiential insights by users

About 500 No. 8 Flip and Seal Double Window Security Check Envelopes
86% praised the high-quality paper, but 14% found it too thin
I was searching for a quality self-seal envelope that works with Quickbooks checks and finally found it. The pricing is a no brainer. I am satisfied with the paper quality of the envelope.
The envelope has the same offset windows as Quickbooks uses.
I prefer this style of envelopes over the previous self-sealing type. It is easier to use and requires less processing time. It is simple to use, just insert the paper and fold to seal.
The envelopes are slightly tighter than the deluxe ones, but it's only noticeable when adding something with the check.
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78% appreciated the secure seal, though 22% experienced leaks
The seal works fine and I haven't faced any issues with it.
The envelopes have gummed flaps that come folded away from each other, making it easy to fold and seal. The adhesive is sufficient.
I prefer the simple fold and seal type of envelopes over the self-sealing type because it is easy to use and I will make sure to get it every time I need more.
I have not faced any issues with the seal quality, it is good.
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76% liked the perfect size and fit, while 24% found it too snug
The windows of the envelope are perfectly sized and located.
I prefer the simple fold and seal type of envelopes over the self-sealing type and will make sure to get this style every time I need more.
I compared the envelopes side by side and found that they are thinner and not made of 24 lb paper as indicated.
I need to open the envelope carefully with a pointed object to insert a check and seal it because the lower right corner is glued to itself.
84% loved the crisp printing quality, while 16% experienced smudging
I compared the envelopes side by side and found them to be thinner than the previous order. I don't believe they are the 24 lb. paper as indicated in the description and on the box.
I find it difficult to insert a check and seal the envelope because the lower right corner is glued to itself inside, requiring an extra step and being time-consuming.
69% liked the added security features, although 31% found them inadequate
I have not faced any issues with the seal, indicating good security features.
Several people have received envelopes in the mail with the top opened, which is a security risk. I will be contacting Amazon to return them or get a credit.
I find it difficult to insert a check and seal the envelope because the lower right corner is glued to itself. It requires careful opening with a pointed object.
The envelopes I bought do not seal well. The glue is not evenly distributed across the flap.
81% praised the envelope's tear resistance, but 19% experienced tears
To seal the envelopes, you just need to insert the paper and fold it.
I have noticed that the top of the envelope has come open during the mail process, which is a security risk. Several people have received the envelopes with the top open. I had ordered these envelopes once before and had no problems, but this time I faced this issue.
The lower right corner of the envelope is glued to itself, making it difficult to insert a check and seal it.

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