Plastic, hollow, double-walled basin has a comfortable neck rest and internal collection system for used water. The basin has a drain plug that is opened after shampooing and allows the water to drain into the hollow section between the walls. After the drain plug is tightened, the entire unit can be picked up and carried away to be emptied.

Drain system holds over two gallons (8 liters) of water. Dimensions: 23 3/4 x 23 3/4 x 6 3/8 inches (60 x 60 x 16 cm). Weighs 6 lb. (2.7 kg).

U.S. Patent #5,245,713