100% cotton. A Hoffman Spectrum Digital print. 40 ¼" x 56 ½" panel. The Gourmet Quilter charms us with her whimsical and cheerful aesthetic with this adorable “Christmas Post” Advent calendar. Everything needed to make an adorable and interactive Advent calendar wall hanging (except for binding & backing fabric) is printed on one panel!!! Each mailbox is an actual pocket that can be filled with treats and trinkets to countdown the days until Santa’s arrival! The panel also includes fabric to create special envelopes for the gifts & directions to whip it all up! You can even sew up the directions to create a sweet drawstring bag for easy storage with your Christmas décor!