Boston Celtics 14' x 17' Utility Mat. Boast your team colors with utility mats by FANMATS. High quality and durable rubber construction with your favorite team's logo permanently molded in the center. Non-skid backing ensures a rugged and safe product. Due to its versatile design utility mats can be used as automotive rear floor mats for cars, trucks, and SUVs, door mats, or workbench mats.