porcelain plates, I traced it from my computer (still no ink in the printer :P ) and cut it out on some paper to make a stencil.
Then, I duck taped the entirety of my jars. Using the stencil, I cut out my labels from the duck tap with and x-acto blade.
this tutorial from prudent baby that I found. Just before the paint is completely dry, I peeled the duck tap off and vuala!