These wooden panels from the Idea-ology Collection are sized just right to worth with the Vignette Boxes.
The Vignette Panels by Tim Holtz for Advantus are great for creating layered collages or mixed media projects.
Included in the package are four panels (the largest measures approximately 3 7/8" x 5 1/2" and the smallest measures 2 3/16" x 3 3/16").