Twice split bucket system. This system separates cleaning solution from the rinse water. The cleaning solution stays fresher longer. No lifting, separate bottom drains. Each side drains separately from bottom plug; eliminates lifiting and allows the user to use all of the cleaning solution. Maintains stability while wringing. engineered to avoid tipping and/or rocking while wringing. This bucket works best with the folding flat mop system, which is sold separately.