Adjustable height:
Many portable shampoo bowls feature adjustable height to accommodate different chair heights and user comfort.
Drainage system:
They typically include a drain hose and a bucket or tank for collecting wastewater, eliminating the need for plumbing connections.
Materials:
Common materials include ABS plastic for the basin and a sturdy base, often with a metal pole for height adjustment.
Portability:
The design allows for easy movement and setup in various locations, making them suitable for mobile services or small spaces.