These are Japanese painting brushes from Namura Taiseido. They are new and have never been used. Please understand that they have been stored. This is a set of three brushes: a special selection large brush (大筆), medium brush (中筆), and small brush (小筆). Although they are for Japanese painting, they are also said to be very suitable for watercolor painting. The materials are weasel hair and wool. The core is weasel hair, and it is surrounded by soft wool.