Enforce minimum speeds with these extremely durable speed bumps. Constructed of blow-molded high-density polyethylene, tough units will stand up to the heaviest vehicle loads. Flexible design fits contours of the road, and the non-skid surface resists weather and chemical damage. Also acts as a dual channel air, water, or electric cable protector. 72"Lx10"Wx2"H with 1-1/4"Wx7/8"H cable channels. Includes anchor kit for asphalt or concrete installation. Color: high-visibility yellow. Made in USA.