A-Maz Scrub Pad. This scrub pad is a non-abrasive, polyester pad that helps clean a variety of surfaces. The A-Maz Scrub Pad is safe to use on glass and compliments many of A-Maz cleaning products. To help promote a greener environment, 100% of the polyester fiber used in the pad comes from recycled materials. Primary sources of these materials are recycled soda and water bottles reducing the hardness of the plastic. This product is recommend for use on hard surfaces such as glass, metal, and ceramics.