Measures 12" x 12" when used with the magnetic shadow box frame. Made of 1/4" and 1/8" MDF wood. Kit includes 7 magnets and all MDF pieces to complete the Kit. Magnets make switching out kits quick and easy, to decorate for any season, Holiday, or theme. Using the Foundations Decor magnetic shadow box frame. Comes in both white and black (sold separately.)