A cyclone bin assembly for a surface cleaning apparatus has a flexible closure member that is moveable to a deployed position wherein a first portion of the closure member is provided on the cyclone bin assembly and a second portion of the closure member closes the upper end of a refuse container, whereby when the closure member is in the deployed position, a closed volume is provided which includes an interior volume of the refuse container and an openable door of a dirt collection region of the cyclone bin assembly is located in the closed volume.