BULL’S Carpet Mat 140 – 280cmx80cm – Red. This carpet dart mat features a dart-in-bullseye motif in red on a black background. Popular throw line lengths are also included. This mat features a rubber backing to help it not slip.BULL’S Carpet Mat 140 – 280cmx80cm – Green. This carpet dart mat features a dart-in-bullseye motif in green on a black background. Popular throw line lengths are also included. This mat features a rubber backing to help it not slip.