As seen in the November issue of Colored Pencil Magazine, "Sunset Roses: a study in size, perspective and value", pp.20-24, https://coloredpencilmag.com/product/1711issue/
these sponges are extremely useful for covering large areas with colored pencil and Powder Blender very quickly.
This bundle contains:
2 large sponges with handles and rounded heads made of coarser material for seamlesss blending
2 large sponges with handles and rounded heads made of softer material for seamless color lifting and edge smoothing
10 small sponge applicators for detailing
Best for use with Powder Blender on abrasive surfaces, such as sanded papers.