This WaveBrake series mop bucket and wringer is made of steel, is colour coded, is designed for use on/with string mop. This mop bucket and wringer includes three-inch nonmarking casters, foot activated drain, handles, sink ledge, and a pour spout provide control to ensure a safe and stable emptying process. wringer guaranteed for 200,000 cycles or five years, bottom drain, bucket handle, and casters plus it has a 11-gallon capacity.