A foldable structure includes: an upper assembly forming an upper portion of the structure; a base assembly forming a lower portion of the structure; a centrally-located hub assembly operatively connected to the base assembly; and a post extending from each corner of the upper assembly to a corner of the base assembly. The upper assembly includes a plurality of arm assemblies. At least one latching mechanism is provided at each corner of the upper assembly extending from an upper portion of at least one of the posts to a portion of at least one of the arm assemblies.