Real Techniques Flawless Base Brush Set includes the 206 Contour Brush, 207 Detailer Brush, 204 Buffing Brush, and 205 Square Foundation Brush for creating a perfect canvas. Each brush in this set has synthetic bristles and an aluminum handle. There is a bonus storage cup which helps keeps your vanity organized and prolongs the life of the brushes, since they are less likely to get ruined when not being stuffed in a drawer or makeup bag after each use.