Inteplast Group Building Products 3/8-in x 3-3/16-in x 8-ft Traditional Finished Polystyrene Baseboard Moulding in the Baseboard Moulding department at Lowes.com
Cost Effective Polystyrene PS Foam Skirting Molding Baseboard for Flooring and Wall Decoration - China PS Skirting Board, Polystyrene Baseboard | Made-in-China.com