The soap box must have the following design: 1. Anti-dip strip design. The anti-dip strip on the surface of the soap box can support the soap to a greater extent and reduce the probability of the soap soaking. 2. Drain tank design, convenient drainage. Soap box of the drain tank, convenient the water to flow out. 3. The bottom foot is designed to ensure that the soap box is at a certain height from the table. Even if there is water around the soap box, it will not be deposited in place.