Made from eco-friendly wood composite (MDF). Primed and ready to paint. Use corner blocks to simplify installation and enhance your project. Add visual continuity with baseboard mouldings. Colonial style mouldings give a room a detailed distinct look. Common Measurement 1/2-in x 3-1/4-in x 12-ft. RELIABILT 1/2-in x 3-1/4-in x 12-ft Colonial Primed MDF Baseboard Moulding in White | 62312FBDPM