This Scentsy wax bar from the Nightmare Before Christmas Oogie collection is the perfect addition to your Halloween decor. It features a solid green wax in the shape of a skull, and comes in a pack of 8. This eco-friendly wax bar is a deodorizer and odor eliminator with an assorted holiday scent. It is intended for use with a wall plug-in power source in any living room or device installation area. This handmade wax bar by Scentsy is made of wax and has no humidity control features. It is a great aromatherapy tool for adults and fits perfectly with the Halloween theme.