Discover Marge’s Signature Series, beginning with the Purpleheart Backpack and Purpleheart Sketchbox Double. Naturally purple Purpleheart hardwood brings rich color, distinctive grain, and a substantial feel to familiar Heilman designs. The purple color is natural to the wood, not stain or paint. Each box varies in grain and color. Made to order. Box only; accessories shown in photos are not included.