4,5x6inch stencil. Use Smart Masks as a base and layer pattern building stencils, background stamps, or your own custom pattern building techniques on top. Once you are done, you will be left with a clean strip of background to add your message to. The pattern blocks on this stencil measure 3.75x3.75inch and 3.75x1.5inch leaving a 0.75inch wide strip for your sentiment.