Stacked Water Basin / Basin

Stacked water basin is a basin that could realize the height different storage. There is simple uneven structure on the pelvic wall, which could make the water basin stack the upper edge of the next water basin after rotating 90 degree. Person could take more basins of water using this. Moreover, the height difference space between water basins also store more needed transport and stored different types of items. In the meanwhile, the stacked water basin is also stacked with no height difference like the normal water basin, and saves space.