All five of the Bob Ross Floral brushes are pure, natural and synthetic blend bristle brushes and have been specifically designed to work with Bob Ross Soft Oil Colors. Small and precise, these soft natural bristle brushes create those special effects unique to floral. Hand shaped and individually inspected. Set contains 1 each of the R6325 1/2", R6326 3/4",R6327 Filbert, R6328 Small Round and R6329 #4 Fan. This set does not include the new Mop Brush Item # R6448!