"The 8"" x 32"" Titan Ramps Threshold Ramp is a lightweight yet portable wheelchair ramp designed for doorways, sliding glass doors, and raised landings. The ramp makes using a walker or wheelchair to move around easier. Made from non-rust, slip-proof and water-resistant aluminum that is perfect for use in any area, both indoors and outdoors. In addition, moving furniture with wheels or casters no longer requires lifting over thresholds, raised landings, or doorways."