Pro Arte Prolene Plus Watercolor & Multi Purpose Brush Set W2 High Quality Artists Synthetic Watercolor Brushes Manufactured in the UK by Pro Arte Artists Brushmakers Prolene+Plus Blended Synthetic Hair gives great colorholding, good springy feel & wonderfull pointing capability. Very hardwearing and will give lasting service if used and cleaned properly The UKs best selling synthetic Watercolor brush - The UK Market Leader!