Simply Simmons XL Natural Bristle Brushes - Finally, a quality large size brush at an affordable price!  If you work on large canvases or murals, you know that large brushes can be extremely expensive. Create beautiful large form artwork with these oversized premium paint brushes whose quality, performance, and value is unmatched. Natural Bristle -  for oil and acrylic, or gesso and varnish on any surface.