Color Shapers are made from a durable, easily cleanable and highly flexible silicone rubber. Their softness and flexibility makes them ideal for stencil embossing with much less chance of having the material seep under the stencil edges. They conform easily to any surface, reducing the look of hard "trowel lines" that other stencil embossing tools can leave.
Even when material is pulled tightly through a secure stencil, it is easy to get a clean print and interesting looks can be achieved if you allow the material to "pool" around the edges of the stencil openings.
This is really an indispensible tool!