Express your gratitude for all the thoughtful graduation gifts with these Hats Off Thank You Cards. The cards are available in three popular school colors and are blank inside, giving you lots of space to handwrite your personal thank yous! The thank you cards measure 4" x 6" and come in a package of 20; white envelopes are also included. NOTE: Match these Thank You Cards to our Hats off Grad Party Cards (not included).