These 18 inch red pads comes in packs of 5, and are only part of our complete floor scrubbing pad section. We also offer blue and green scrub pads for more heavy duty scrub situations. These particular pads fit directly onto our Viper 18" electric auto scrubber, and are great for scrubbing commercial floors everyday. Great for supermarkets, retail stores, and hospitals! We recommend taking a look at our auto scrubbing procedures for proper steps in scrubbing your particular floor.