Disclosed is a mobile cart that may include, in some instances, a framework assembly comprising an extended configuration and a collapsed configuration, at least two wheels attached to the framework assembly, and a removable liner secured to the framework assembly in a removable fashion. The removable liner may include a collapsible floor, at least three collapsible sides extending vertically from the collapsible floor, and at least one retaining member. The mobile cart may include at least three corners and the at least one retaining member may be configured such that the removable liner can be selectively removed from and secured to the framework assembly.