"Silver Spring Essential mobility carrier kit is a safe and cost-effective way to haul a powerchair with a vehicle hitch. Each mobility travel kit includes essentials to get started - A hitch mobility carrier, multi-level hitch adapter, built-in loading ramp, easy to grip spring pin handles, retractable tie-downs, and a water-resistant travel cover. The folding mobility carrier supports up to 500 lbs on a 46.5"" x 28"" usable platform which is loaded and unloaded using an integrated 59"" long ramp. A powerchair is secured to the carrier platform with two 6 ft x 2"" adjustable retractable tie-down straps."