A wheelchair bathing attachment provides four sections in an accordion fold, supporting the users back, buttocks, lower legs, and feet in a sitting position on a wheelchair or scooter. Two small wash basins are provided for the buttocks and feet. Each wash basin provides a central drain with a removable, flexible drain hose, enabling the user to drain the used water conveniently into a sink or toilet. The attachment is provided in a range of configurations and sizes to fit any existing wheelchair or scooter.