Grand Prix® Fine artist brushes feature multi-diameter bristle filaments that carry heavy bodied acrylic paints effortlessly across your painting surface. Grand Prix® series is stiff, durable and snappy with fine points for crisp, clean strokes. Professional Premium Brushes: This set includes 1 each round, flat, bright, traditional length out filbert, long filbert, Xtra long filbert brushes in popular sizes for creative talent. Grand Prix® series are rugged enough to withstand rough treatment on textured surfaces. Grand Prix® series brushes are handmade by expert artisans who undergo extensive training before they are skilled enough to produce the kind of quality that has become synonymous with Silver Brush Limited. Shape of Brush: Round Size:#4, Flat Size: #4, Bright Size: #4, Filbert Size: #4, Long Filbert Size: #4, Xtra Long Filbert Size: #4. Paint Type: Oils, Acrylic, Jar and Heavy Bodied Acrylics, Oils, Gouache, Casein, Varnish.