PME Brush/Brushes Set of 5 pieces These brushes from the PME brand are made of nylon. Rubber grips are attached to the plastic handles, giving you more control over the brushes. The brush set contains 2 flat brushes (small and large) and next to them 3 round brushes: fine, small and medium. This set (of flat and round) brushes/brushes should not be missed when decorating the most beautiful cakes.