The natural beauty and warmth of this solid Knotty Pine Colonial style interior door will complement any decor. The 6 Panel design gives the doors a clean, traditional style with added flair. The doors are durable, made of solid pine and are easy to install. Our Colonial doors are unfinished and can be stained or painted to match your decor. The doors are constructed from solid pine from environmentally-friendly, sustainable yield forests. The high-quality vertical grain delivers the best appearance and performance.