3" Purdy 144080330 XL Dale Angled Sash Paint Brush, Tynex Orel Product Description Purdy 144080330 XL Dale Nylon/Polyester Brush Angle Sash From the Manufacturer Purdy 080330 3" Professional Dale Paint Brush - The unique blend of Satin-Edge Nylox (Tynex???) and Orel??? Polyester are recommended for both interior and exterior projects. Formulated to be used with all paints. The stiffness retention, a property of the polyester, makes this tool ideal for working in hot and humid climates. Designed for more durability. Excellent for outdoor projects with different temperatures and humidity. Features XL Dale Nylon/Polyester Brush Angle Sash Highly recommended for both interior and exterior painting projects The stiffness retention makes them especially high-performing for outside painting under hot and humid climate conditions Only solid, round, tapered Nylox (dyed nylon) and polyester filaments are used and our special tipping and flagging process brings our synthetic filaments as close to naturally flagged bristle as possible Hand-chiseled formulation for maximum paint lift and smooth "no-drag" application For trim work USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.