The Pastry Guide will help you make a beautiful pie every time, by ensuring your crust is the right size and a perfect circle. Use for cutting full sized or individual pies, tarts, tortillas, puff pastry, fondant, parchment paper and more! Simply place the red button on the guide in the center of your rolled out dough, find your desired dimension on the guide, place a knife in the measurement notch and draw the knife through the dough...you have a perfect dough circle! The Pastry Guide will help cut circles from 4" to 14" with the fun retro graphics that clearly display measurements for finished pie size and dimensions of cut dough. The tools is made of flexible plastic and silicone; it is BPA-free and we suggest hand washing, but it is ok to clean in the top-rack of dishwasher.