Durable rubber material. SB-ED-RSH-TREAD-YL 1 Yellow Speed Hump 19.75" 15.75" 1.625" 16.42 lbs 20000 lbs. SB-ED-RSH-TREAD-BK 1 Black Speed Hump 19.75" 15.75" 1.625" 15.45 lbs 20000 lbs. SB-ED-RSH-TREAD-EC-YL 1 Yellow End Cap 9.75" 15.75" 1.625" 5.83 lbs -.
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