These unique sponges feature a synthetic abrasive pad on one side for aggressive cleaning and a "rainbow" sponge material on the other side for use as a regular sponge. These are an excellent sponge for many stable and barn related uses, such as cleaning buckets and feed tubs. Additionally, they can be used as a very invigorating massage sponge; the large size can be used for horses and other large animals while the smaller sizes are suitable for smaller animals or personal use. These sponges can also be used for removing mud and bugs etc. from cars, trucks and farm/ranch equipment. They are sold in a brightly colored assortment as shown.