A carrying device including substantially flexible walls and a substantially rigid base. The base may be made rigid via insertion of a rigid support between two substantially flexible base pieces coupled with at least one temporary joint, such as a zipper. The walls may include a plurality of pockets and open-bottom supports for items such as drinking glasses. The device may include straps with removable fastening mechanisms to allow the device to be disposed over, around, or between the handles of a mobility device, such as a walker or a wheelchair. The device may be comprised of washable or high-durability fabric.