Synthetics are a perfect match for oil and acrylic paints in a classroom setting because they're easier to clean than animal hair brushes, are more durable, and can withstand harsh elements of acrylic paints, with less damage. - Blick Economy Golden Nylon Brush Set - Set of 144Blick Economy Canister, 144PC GOLDEN NYLON - Contains 144 brushes, including Round brushes in sizes 1,2, and 4 and Flat brushes in sizes 1/4, 1/2, and 3/4.