The Rachael Hale Collection provides the cutest and lovable animal imagery! 6" x 8" Rigid Mailer in White decorated in hearts is made especially for mailing photos, documents, books, calendars, CDs and other articles that should not be bent. All sizes have a peel and seal pressure-sensitive closure, and pull-strip for easy opening, like overnight express envelopes have. This stiff paperboard mailer is perfect for keeping all of your content safe inside for easy mailing.