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Your cart is empty.Quality Park 9" x 12" First Class Envelopes get your package noticed fast and delivered first class. A green diamond First Class border speeds shipping with USPS and gets your reader’s attention in the mail box. These first-class mailers have Redi-Strip self-sealing closures that peel and stick. The perfect mailroom update for concerns about surface germs in the workplace. Skip the yuck, stay safe and save time with every mailing. Plus, the peelable paper strips protect your adhesive from dust so envelopes last longer in storage. These self seal envelopes are inkjet printer compatible, though not recommended for the laser printer. (Use labels instead.) Made of 28 lb white wove stock that can withstand extensive handling through the mail. Center seams give added strength for heavy contents. Don’t settle for bulky white #10 envelopes with double-folded inserts or more expensive oversized flats. Our large envelope can store letter-sized papers flat without ugly folds and creases. This 9 x 12 is the perfect compromise for cost-effective, professional-looking mailings with a little room to spare. Ideal for sales literature, newsletters, contracts and more. First class mail is an economical way to send important letters and light packages. These envelopes get mail noticed and opened! 100 Per box.
Mark W
2025-09-02 17:42:26
Sturdy envelope, used with business. Hold together well when packed with several sheets. a repeat purchase.
John Matheson
2025-08-29 11:13:12
good quality envelopes. glue works well. It is standard quality, not cheap or high-end, but just what it says it is.
Dave the Engineer
2025-07-24 11:22:52
These envelopes seem perfectly fine but I'm only giving them 4 stars since they don't match the photos that were in the listing when I bought them (though they ARE Quality Park #44534). It's NOT a big deal at all and I'm happily keeping them, but what you see and what you get should always be the same thing so I'm reinforcing that message by knocking a star off an otherwise 5-star product.Oh, and yes these are made of paper - which is what I wanted. If you're looking for tyvek look elsewhere.
momof6
2025-07-13 17:20:09
Very nice quality. They are NOT tyvek material like I thought, but they are a nice heavy paper envelope. Twice the post office has told me that they are really nice first class envelopes.
Crafty Pirate
2025-06-14 10:39:48
I love these. I use them to put my single orders of t-shirts in. It's the perfect size. The peel and stick closure is good. I've not had a single problem with them opening.
GaleW
2025-05-25 15:36:43
I'm very happy with the cost, quality, and amount of the envelops! Thank you!
Kristina
2025-05-05 11:04:36
Very well made, useful
Frequent Customer
2025-03-12 14:53:24
This product is not what you think. They are regular paper envelopes and overpriced for what they are. They are NOT the durable Tyvek envelopes that made of that almost tear resistant cloth-like material.It is disappointing that this company does not make the type of envelope that they're selling more clear. But clearly they do this deliberately. I guess they're only interested in one time customers. It seems that they've figured out how to delete reviews that point this problem out since they only had a handful of reviews when I placed my order and all of them were positive.This product is useless if you are looking for a strong envelope that won't accidentally tear.
Mark W
2025-03-08 15:11:49
Sturdy envelope, used with business. Hold together well when packed with several sheets. a repeat purchase.
John Matheson
2025-03-04 15:57:39
good quality envelopes. glue works well. It is standard quality, not cheap or high-end, but just what it says it is.
Dave the Engineer
2025-02-21 14:18:47
These envelopes seem perfectly fine but I'm only giving them 4 stars since they don't match the photos that were in the listing when I bought them (though they ARE Quality Park #44534). It's NOT a big deal at all and I'm happily keeping them, but what you see and what you get should always be the same thing so I'm reinforcing that message by knocking a star off an otherwise 5-star product.Oh, and yes these are made of paper - which is what I wanted. If you're looking for tyvek look elsewhere.
momof6
2025-02-06 13:27:22
Very nice quality. They are NOT tyvek material like I thought, but they are a nice heavy paper envelope. Twice the post office has told me that they are really nice first class envelopes.
Crafty Pirate
2025-01-28 18:13:55
I love these. I use them to put my single orders of t-shirts in. It's the perfect size. The peel and stick closure is good. I've not had a single problem with them opening.
GaleW
2024-12-11 12:06:31
I'm very happy with the cost, quality, and amount of the envelops! Thank you!
Kristina
2024-12-02 10:58:08
Very well made, useful
Frequent Customer
2024-12-01 15:53:09
This product is not what you think. They are regular paper envelopes and overpriced for what they are. They are NOT the durable Tyvek envelopes that made of that almost tear resistant cloth-like material.It is disappointing that this company does not make the type of envelope that they're selling more clear. But clearly they do this deliberately. I guess they're only interested in one time customers. It seems that they've figured out how to delete reviews that point this problem out since they only had a handful of reviews when I placed my order and all of them were positive.This product is useless if you are looking for a strong envelope that won't accidentally tear.
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