1. This soap bubbler box is made of high quality PP material, not easy to break and deform, can be used for a long time and durable. 2. The 4 rollers rub against each other and foam quickly. The soap and roller will be enriched with sufficient contact with the lather. 3. Can be disassembled at will, two modes, the roller is convenient for foaming, and the brush is better to clean. 4. Draining design: The external draining design keeps the soap ventilated and dry. 5. Storage design, neat and not messy. When not in use, it can also be used as a soap dish countertop to keep it fresh.