190 Micron Mylar Rolls, sold per meter – IdealStencils
5 x A3 MYLAR SHEETS – stencilmarking
5 x A3 Mylar 125 micron Sheets Clear Stencil film Reusable Stencils Art Craft | eBay
Blank Mylar Sheets A4 Sheets - Cut your own stencils. 125 micron polyester Mylar Sheets. Blank Mylar sheets available in range of sizes – The Stencil Studio