This set of two stencils, one stencil and one mask, Slimline Tall Christmas Trees, is from Picket Fence Studios. This stencil set gives you both a negative and a positive Christmas tree. These reusable stencils can be used with your favorite inks, markers, embossing pastes, glitter pastes, texture pastes, paints, sprays, mists, paper glaze, stencil butter, and other crafting mediums (sold separately). These stencils will clean up easily whichever medium is used. These stencils can be used on sli