Once the colors cure, glassine is not needed to protect the images.
Art Crayon plum. Marabu Art Crayons blend similarly to oil pastels without any messy, oily residue and come in a convenient, retractable holder with an ergonomic grip for easy handling and added control.Built for mixed media artists, these buttery smooth wax-based pastels are lightfast, richly pigmented, and water-soluble. Marabu Art Crayons are great for absorbent or semi-absorbent surfaces such as gesso, canvas, wood, plaster, bisque-fired clay, and paper.