Add holiday cheer to your glass items. Sizes are approximate...... Width x Height Left and Right facing corners 2.25 x 2.25" Upper Left Corner ..3.25 x 3.25" Lower Left Corner.... 3 x 3' ARMOUR PRODUCTS-Over'n'Over Re-usable Glass Etching Stencils are flexible multi-use stencils that easily adhere to glass mirror ceramics metal and other non-porous surfaces so you can easily decorate and personalize your project that involves sand etching glass etching or painting. Use these stencils with our Armour Etch glass etching cream, water-based paints and even Body and Face Painting