From Pro Arte, the W11 Hog Set highlights several* different brush sizes & tips from across their Series C range, perfectly demonstrating their unique qualities, advantages & versatility. Developed as an economical range for the budget-conscious artist, the Series C brushes feature natural hair bristles made using traditional, high-quality Chinese Chungking hog hair. Highly responsive to both oil & acrylic colours, they have a strong spring that retains their shape even after continuous use & cleaning. *please refer to Contents below for more details