Gamecraft Carpeted Long Jump Mat Carpet on top and a non,slip bottom measures a participant's standing long jump distance.&nbsp; Measures up to 10' in 2&quot; increments.&nbsp; 12'L x 30&quot;W. Carpet on top and a non,slip bottom measures a participant's standing long jump distance.&nbsp; Measures up to 10' in 2&quot; increments.&nbsp; 12'L x 30&quot;W.