Purdy XL paintbrushes are versatile for both interior and exterior use, working with latex and oil-based paints, primers, and stains. Made with DuPont Tynex nylon and Orel polyester-blend bristles, they provide excellent durability and abrasion resistance. Handcrafted in the USA with global materials, these medium-stiff brushes ensure smooth, precise application, making them perfect for painting walls, ceilings, and trim.