This synthetic stencil board material is a high-density, 10-mil, opaque plastic, attached to a heavy backing; ready for cutting. SSB-Cut™ cuts clean and easy, with the BREN cutting system and is applied and used repeatedly, thus using a stencil with properties for exceeding traditional oil board material. Extremely strong and durable, SSB-Cut™ is completely impervious to absorption of liquids, and is surface-coated to prevent runs. SSB-Cut is safe, non toxic, and non hazardous. This synthetic stencil board offers a modern alternative to oil-soaked card stock. Comes on a 3" core.