Thumbprint cookie cutters are perfect for making jam cookies. Use a shortbread recipe and your favorite jam to make a holiday favorite. Size 2 1/4 inches Make delectable treats with ease! Get jammin' with these thumbprint cookie cutters — they're just the right size to bring your baking dreams to life. (2 1/4 inch thumbprints mean maximum flavor and fun! Made From food-safe PLA plastic. Not dishwasher safe. Do not sock in hot water or cut hot cookies with a cutter. Wash with gentle detergent in warm water and pat dry and you are ready to use again. Colors may vary.