WILTON-Fondant and Gum Paste Mold. There's no better way to add color, dimension, and excitement to a cake that with fondant or gum paste accents. Silicone molds make it easy to create detailed shapes in exciting designs that are ready to place on your cake and they are available in a wide variety of themes to fit any and every occasion. This package contains Letters And Numbers: four 5x7-3/4 inch silicone molds with sixty-three total shapes. Fondant and gum paste sold separately. Imported.