Our Made in the USA stencils can be used again and again. They are made of durable 10 mil food grade mylar. Can be washed with mild soap and water. If stored properly, they can last a lifetime. The sizes listed pertain to the longest side of the design; either the height (top to bottom) or the length (left to right) of the main cookie cutter (in most cases this is the piece that is the silhouette of the entire design) in this set. The 4 inch size is displayed. All other sizes of this design are directly proportional to this size. Our products are individually sized; in other words, although this design may be related in some way to another design, it is NOT sized to go with any of our other designs. Please see the product image(s) above for the appropriate measuring angle. This set contains 4 pieces as shown next to the completed design example in the picture(s) above. Our stencils are designed to be layered in hundreds of different ways. Create your own unique custom cookie stencil. These items are NOT dishwasher safe. HAND WASH ONLY WITH COLD WATER AND DRY IMMEDIATELY AFTER. Prolonged exposure to moisture and direct heat/sunlight should be avoided. Works on all kinds of Food and Other Crafts. These beautiful stencils can be used many ways. They can be cake stencils, gift card stencils or scrapbook stencils. Stencils can work on many surfaces, and these stunning detailed images lend them selves to all types of Holiday decorating.