Boston Celtics Heavy Duty Vinyl 31" x 31" Cargo Mat. Protect your vehicle's flooring and your cargo. Display your team pride with cargo mats by FANMATS. 100% heavy duty vinyl construction with non-skid backing ensures a rugged and safe product. Universal fit makes it ideal for cars, trucks, SUVs, and RVs. The officially licensed design in true team colors are permanently molded for longevity.