VersaRamp Solid Foam Threshold Ramps by Silver Spring are the safe, portable way to overcome differences in elevation in doorways and single steps with a wheelchair, powerchair, mobility scooter, walker, or cane. The lightweight solid foam threshold ramp is easy to carry and can support up to a 800 lb capacity. These threshold ramps are made with a high-density foam core and a durable polyurethane coating for optimal no-mar, no-scratch traction in all weather conditions - Great for both indoor and outdoor use! Ramp surface wipes clean with mild soap and water.