The Purdy® XL™ Elite™ Sprig™ Paint Brush is recommended for use with water-based trim paint. Its thinner filaments are ideal when used with these lower viscosity paints, ensuring improved lay off with less drag, to achieve a flawless finish to trim. Material: Chinex, Tynex & Orel Blend Synthetic FilamentsHandle: BeavertailFerrule: Round Edge