GESSO Brushes Pack of 3 for artist Size 2 = 33mm Size 4 = 50mm Size 6 = 65mm Make short work of priming canvas with Gesso, varnishing, or working with large-scale paintings. Natural flagged end hog bristle provides smooth coverage with minimal hair loss. Affordably priced for the classroom budget, these brushes feature short, natural gloss handles designed for comfort while working.