I AM Collage (L801) Stencil designed by Cat Kerr for StencilGirl. The I AM Collage Mask was designed by Cat Kerr features a collection of numbers, flower bursts, entwined loops, and geometric shapes all in one stencil. Use this mask by itself or with the I AM Words Mask for art journaling, card making, mono-printing, and mixed media. Product Details: 9" x 12". 7 mil mylar is thick enough to be durable, yet thin enough for a seamless look in your art. Made in the USA.