Advanced Synthetic Fibers Made in Italy: High-quality craftsmanship from Italy. Easy to Clean: Clean immediately after use with warm, soapy water for longevity. Annie Sloan’s Flat Brushes feature advanced synthetic fibres, in a vibrant blue, which help to produce a smooth, contemporary finish. The brushes are designed to take a large amount of paint and to apply the paint evenly, minimising brush marks. Available in Small (23cm x 3cm) and Large (26cm x 6cm).