Economical and easy to install, our SB-1025 is a standard safety yellow speed bump made from 100% recycled plastic. Installed into concrete with lag bolts and butyl tape, into asphalt with ground spikes and butyl tape, or onto concrete with truss plates and adhesive, SB-1025 is availble in two stock lengths--70" and 106". The shorter weighs 28 pounds, while the 106" model weighs 48 pounds each. Length: 70" and 106" Material: 100% Recycled Plastic Recommended Installation: Lag Bolts and Butyl Tape for Concrete  or Ground Spikes and Butyl Tape for Asphalt Color: Safety Yellow Exterior Use