There are two brushes shown, the small and large.  You are purchasing ONLY the LARGE brush.

This brush is produced by by Annie Sloan.  It is her LARGE (2 inch wide) Flat Brush features advanced synthetic fibers for the ultimate silky finish. The width of the brush is 2 1/4 inches wide. The overall length from wood tip to the tips of the bristles is about 10 1/4 inches. They are designed to work specifically with Chalk Paint® to achieve a smooth, modern finish. These brushes are shaped to hold a lot of paint and apply the paint evenly, eliminating brush marks. Easy clean up - just use water since Chalk Paint® is water based.