Chalky Paint and Wax 1-1/8-in Reusable Natural Bristle- Polyester Blend Oval Paint Brush (Chalk and Wax Brush) in the Paint Brushes department at Lowes.com
1 Dozen - Natural Boar Bristle Wax Brushes. 6 Large Size Wax & 6 Medium Size Wax Brushes
Amazon.com: YiBaiBrush-Chalk Paint Brush, Wax Paint Brush Set of 5, Wax Brushes and Chalk Paint for Furniture DIY Art Crafts, Natural Bristle Round Oval Chalk Paint Brush for All Painting and Waxing
2 inch round wax Chalk Paint Brush – Tanglewood Works