PRINCETON Neptune Watercolour Brush - Synthetic Squirrel - Oval Wash 1/2 (11.6 x 23mm)These are very good quality synthetic brushes and almost comparable to real squirrel. Great at holding water and very soft. This is the Oval Wash with a flat ferrule and lots of fibre to pick up liquid, but also a point for details. The synthetic nature of the fibre also makes the point return after pressure better than with natural squirrel.