Long white birch handled bristle artist brushes are made in the Interlocked construction which enhances the characteristics of natural hair. Brushes are made from long white birch lacquered yellow handles and seamless metal ferrules that are glued and double-crimped to ensure adhesion and long lasting capabilities. The finest pure white bristle are designed with our proprietary Interlocked Bristle technology to offer durability and control. Each set includes 36 pieces, 12 each of round 8, 10, and 12. • Student quality fine art education brushes packed in convenient canister assortments• Budget friendly assortments created to meet the expectations of teachers, home schoolers and clubs• Great for an afternoon of arts and crafts as well as an art study abroad• Mixed/Multi media assortments benefits fine artist, students and makers