A two-stage stocker that can effectively utilize the space under the sink to the back without waste. The upper row is a slide stocker that is convenient for putting in and taking out seasonings, and the lower row is a deep type that is convenient for putting in and out heavy bottles. Slide type that can be easily pulled out with one hand with a light force, but since it has a stopper so that the stocker does not fall off too much, you can use it with confidence even if you store heavy objects. You can adjust the height in 3.5 cm increments according to the items to be stored in both the upper and lower tiers.