Repositionable notes — colloquially known as sticky notes — are now a permanent US Postal Service offering.
The three-inch square notes can be placed on the outside of commercial First-Class Mail, periodicals and Standard Mail cards, letters and flats. The notes can be peeled off mail pieces and stuck elsewhere.
In addition to the cost of postage, the current price points for the notes are a half-cent per piece for First-Class Mail and 1.5 cents per piece for periodicals and Standard Mail, according to the USPS, according to a Domestic Mail Manual update published on May 12.
The USPS first introduced repositionable notes in April 2005 as a one-year experiment, which was renewed several times.