Mont Marte Studio Series Flat Artist Brushes, 12 Piece, Sizes 1-12. Selection of Flat Paint Brush Sizes Made from Hog Bristles. No stray hairs, no shedding, easy cleanup with warm water Brushes hold their shape and keep their spring after cleaning Secure ferrules; you won't be painting with brushes that wiggle or fall apart These are long handle brushes 12 hog bristle brushes