TANGCHU Lace Plunger Mold Cake Sugarcraft Polymer Clay Mold Cookies Cutter Decorating Set Of 2pcs White Material: food grade plastic and lightweight Include 2 Different sizes, Convenient to use and easy to wash . They work great the trick is to go over the design with a thumb or spoon once the fondant is in the cutter its going to make sure you have sharp edges and no extra fondant or gum paste. Note: for easy release try not to roll your dough to thin and use powered sugar/icing sugar or corn starch