Button-and-String Letter Envelopes, Navy, Set of 10

These are #10 envelopes the most common business size, and the correct choice for an 8.5 x 11 letter folded in thirds. So you can put anything in these stylish envelopes that youd normally mail in a standard envelope: letters, brochures (up to about 15 sheets), etc.Each envelope is fitted with a button-and-string closure that can be used many times. Inside, the flap is also gummed in case you want to use it for mailing.Ten envelopes per pack. Made in the United States.