Laser cut synthetic reusable stencil. The "stencil size" represents the size of the design. There will be approximately 1" of excess material around the design for ease of use. About the material 250 micron/10mil Mylar: Flexible but sturdy, semi-rigid Polyester material. Milky white and glossy surface with medium transparency. Washable and reusable. Durable, tear resistant, solvent proof & easy to clean. Non-adhesive material. Can withstand 300° F/ 148° C application temperature.