WHITE NIGHTS BRUSHES MADE OF SABLE AND SYNTHETICS The sable hair provides an ideal pick-up and delivery of paint, and synthetics help to maintain a sharp tip during painting. The sable hair is shorter and thinner than the kolinsky hair but elastic at the same time. By elasticity, sable brushes are placed in the middle between a soft squirrel and elastic kolinsky hair. The adjusted ratio of natural obedient black sable hair and synthetic fiber make the brush slightly more elastic than squirrel hair, which means it is predictable and the brush can be much controlled by the artist. The long-term resistance of sable brushes is higher than kolinsky brushes.