Harley-Davidson Stealth Extra Wide Dart Mat - Black, 61963. This beautiful full-length oche system, dart throwing line, mat is made of light-weight odorless material with a slip resistant backing. Printed in the sharp looking black on black with an open Bar & Shield logo. Protects darts and floors. It is an essential protective accessory for every home dart! Size: 10 ft. x 2.5 ft.