1. New appearance design, beautiful and generous, the bottom shell has a spare key 2. Made of high quality ABS material that is indurative and durable. 3. Suitable for hotels, families, fitness centers, beauty centers and so on. 4. Can accommodate 400ml foam soap liquid,04 cc/dose. 5. There is a vertical window.It is easy to observe use condition of liquid. 6. The top have a lock.(the security guards against theft)