What size envelope should be used to mail a standard size business letter? The most common type of business envelope is the regular envelope. A popular #10 envelope measuring 4 1/8" by 9 1/2" is ...

The postage rate on a manila envelope is $1 of the same size as the one for 9" by 12" envelopes and legal size envelopes. 00 for the first ounce, and $0.50 for each additional ounce. ... Watch how ...

Choose from four standard sizes of envelope. If your business sends important documents on a regular basis, you will probably need to stock up on C4 envelopes. This size allows you to send an A4 ...

Please note: Letter rates are only for normal business envelopes (sizes #6 or #10), which are no larger than 6-1/8" in height and 11.5" in length. Standard manila envelopes are considered large ...

Before inserting the brochure, your letter should be folded properly into a standard business-size (No. 10) envelope. From the bottom of the letter, fold it up one-third of the way.