These Specialty Microfiber Cloths have two different weaves and materials on each side of them. One side of the Microfiber Cloth is looped Terry Microfiber material which is perfect for absorbing and wiping surfaces and the other side is woven with vinyl loops, which makes it the most aggressive scrubbing Microfiber Cloth on the market. This Microfiber Cloth will eliminate scouring sponges in most cleaning applications and much better because sponges breed bacteria and these cloths are 100% bacteria resistant. These Microfiber Cloths will hold up to hundreds of laundering which give them a far greater life expectancy the scouring sponges. These cloths are available is a 12” x 12” size and four colors.