NBA - Boston Celtics Backseat 14' x 17' Utility Mats 2 Pack. Boast your team colors with backseat 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. Now comes in a 2 Pack!