"Get your hand truck up and over curbs the easy way with a portable curb ramp! The curb ramp is manufactured from high-density polyethylene to support up to 600 lbs. The ramp surface features a raised tread pattern for traction in all weather conditions. Molded 1"" high side rails keep wheels on track and help to prevent losing loads. The integrated handles and lightweight 9-lb design make this curb ramp ideal for use in the service or delivery industry."