"Grand Prix® brushes are of outstanding quality. Perfectly balanced and shaped, they feature interlocked 100% Chungking white hog bristles for maximum color carrying capacity and corrosion-resistant double crimped pure copper ferrules with an epoxy seal for added protection. -A favorite among Plein Air painters!" -Silver Brush "The Silver Brush Grand Prix Super Brush was made exclusively for Silver Brush by master brush makers. It contains 100% naturally curved Chungking white bristle with flagged and interlocked tips for maximum color carrying capability. It is for use with all techniques. Bristles and handles are double sealed in seamless, corrosion-resistant copper ferrules and double crimped to long, green lacquered handles." -Blick

Silver Brush rates these as 5/5 for quality and 3/5 for stiffness.

100% Chungking white hog bristles

100% Chungking white hog bristles

Copper

This brush is made with natural hairs or fibers.

This is a bristle brush— it has stiffer fibers.

Natural