CHUNEO Oil & Acrylic brush set Contents: one piece each Series 7129 flat Size 4 and 12; Series 7729 round Size 2 In order to offer oil painters a set for our brand new CHUNEO line, we have created a set with one round and two flat brushes. This line is a high-quality synthetic alternative to the traditional Chunking bristle for all traditional painting. Strong and yet flexible painting tool, easier to clean than brushes made of natural bristle.