PME Impression Mat - Mini Hearts This mini hearts design impression mat is the perfect way to enhance your cake design on any celebration cake. Can be used to create embossed or raised designs. To use: Knead and roll out your chosen paste to an even thickness. Choose the design side and put mat onto paste. Firmly use a smoother evenly across the mat to emboss the design into the paste. Remove the mat and design will have embossed onto the paste. Dimensions: 305mm (L) x 150mm (W)