Durable and Flexible: Stencils are made from 127 microns, transparent mylar, which make them strong, yet flexible enough to be used on curved surfaces. Easy to clean: The stencils are easy to clean. You can use any type of cleaning product or solvent as the mylar stencil material has a smooth, non-porous surface. Easy to use: Stencils make it quick and easy to create great effects without the large price tag! Stencil Size (Approx): 100mm x 125mm 127 Microns Thick