S4S 2X3X12

S4S or surfaced on four sides is a lumber that have been milled to have smooth, uniform, and consistent surfaces on all sides, making them ready for use in projects like trim, molding, furniture, and decorative accents. Its purpose is to save time and effort for woodworkers by providing a ready-to-use product, eliminating the need for initial milling and sanding, and ensuring precise dimensions for a seamless, professional finish.