The Tim Holtz Hard Core Art Panel Rectangle set features 3 different sizes to fit your various artistic needs! The package includes 3 double sided vinyl covered boards with a MDF core board. The panels measure 8" x 10", 5" x 7" and 4" x 6". The vinyl is mounted with a pH non-yellowing permanent adhesive that creates a ready to use bright white, lightly textured surface. The vinyl is by Ranger Ink.