| 摘要 |
An apparatus including a box portion which may include a left side, a right side, a front side, a rear side, and a bottom. Each of the left, the right, the front, and the rear sides is connected to the bottom to be foldable with respect to the bottom, from an orientation parallel to the bottom to an orientation substantially perpendicular to the bottom. A device may be connected to the bottom, including an inner peripheral wall which extends, substantially perpendicularly from the bottom. The inner peripheral wall may be substantially in the shape of a loop and may have a width and a length, substantially perpendicular to the height of the device, slightly less than a width and a length, respectively, of an inner chamber defined by top edges of the left, the right, the front, and the rear sides, of the box portion in an upright state. |
