Quality Park#10 Left Window Security Tinted Envelopes with a Self Seal Closure for Standard Business Mailings, 24 lb. White Wove, 4-1/8 x 9-1/2, 500 per Box (21418)

I use these for our company invoices and they are now all I buy.Perfect for our template and mailing needs.

I bought these to send out quickbook statements. It was going to be a gamble as to if the address on the document was going to match up with the address window. Well I must say that it matched on the first try. Whew. The back of the envelopes are really low cut which makes them a lot easier to stuff. The self adhesive closure really saves the tongue. It is not the securest seal because you can peel it back open if you need to, which could be good or bad depending on what you want.There was a problem with the shipping as the box they shipped in was big enough to let then slide around and the box of envelopes opened and got all shuffled around. Straightening out 500 envelopes took a bit. Otherwise a good product.

Easy to use no-nonsense #10 envelope with window. The flap is gummed. Just fold it back and fold the other one over it and it is sealed. No wetting, no removing of strips, just superfast closure. The way the flap is folded when it is in the box, it does not stick to other envelopes or itself.I only wished the envelope came in a heavier weight than 24 lbs. However, I looked around and it just seems that the envelopes with windows are standard 24 lbs.

Good product for the cost

Self sealing left window envelopes are great for sending out work related letters. They seal enough to keep several pages in yet can be opened without cheering to add something to the envelope. Self sealing envelopes increase speed of placing information in the envelopes.

Good security

i have never seen such horrible quality. the adhesive is misaligned, the envelope doesn't close. Some of the envelopes don't have a clear cover on the envelope, and the ones that have it are all messed up.

Works well

This is the superior envelope seal. Gone are the days of licking or gluing envelopes! Gone too are the days of printing or writing separate labels! It just works, and it is vastly more efficient if you are sending things in bulk!