Unit structure of the container

A unit structure for a container comprising a base, a lid and a supporting board;

• the base including a left wall, a right wall, a rear wall, an upper plane and a lower plane;
• the lid being a board with a handle thereof, and the lower edge of the lid being stitched on the front edge of the lower plane of the base;
• and the supporting board with three sections being bended to form a U-shaped member thereof, and the supporting board putting into the base, wherein the improvement is:
• on the joint of the upper edge of the left wall, right wall and the rear wall and a edge of the upper surface forms a penetrated hole respectively;
• and a female fastening tape, which is stitched inside the upper surface of the penetrated hole and;
• on the joint of the lower edge of the left wall, right wall and the rear wall and a edge of the lower plane forms a male fastening tape respectively, and corresponding to the female fastening tapes forms the male fastening tape, and a front wall mounted on the notch of the upper plane is stitched with the upper plane of the container, and the absorptive member is installed on the front wall to connect with the absorptive member on the lid correspondingly;
• the male fastening tape of the upper base which is pierced through the hole of the next base being engaged with the female fastening tapes for engaging the superposed containers so as to strengthen the upper plane so that the user is able to place stuff on the upper plane of the top container.