A collapsible structure is provided with a plurality of panels, the plurality of panels including at least a first panel and a second panel, each panel having a foldable frame member that has a folded and an unfolded orientation, with a meshed material covering portions of each respective frame member to form the panel for each frame member when the frame member is in the unfolded orientation. Each panel is hingedly coupled to an adjacent panel to define an interior. At least one panel has an opening, and a sleeve is secured to and extends from the opening.