Each stencil can be reused between 15-20 times depending on the amount of pressure, care of use, distance between the tip of the blasting gun and the stencil, and the type of abrasive (we recommend between 180-220 grit size preferably 220). Oh, by the way did we mention that you can also use these stencils with our Armour Etch glass etching cream, water based paints and even body paints. Motherfather assortment mom,dad,mother,father,grandma, grandpa and more Remember mom, dad and grandparents on their special day Why spend all that money for decorated glasses when you can do it yourself more economically. Permanentdishwasher safe Made in usa