EFFECTIVE ON TOUGH STAINS: SpinWave scrubby pads are designed to tackle and remove stubborn, tenacious stains with ease EASY TO CLEAN AND REUSE: Pads are machine washable, making them convenient and cost-effective for repeated use SET OF FOUR PADS INCLUDED: Comes with four durable pads, ensuring you always have spares for uninterrupted cleaning COMPATIBLE MODEL: Specifically designed for use with model number 2138 for optimal performance, Weight: 0.3086471668 pounds, Manufacturer: BISSELL