Mildly scented deodorant cakes come in a plastic holder that clips under the rim of a toilet bowl. Cakes eliminate unpleasant odors and help sanitize the toilet. Each 1.5 oz. cake contains no paradichlorobenzene or naphthalene. Toilet bowl rim hanger with nonpara block complies with the Volatile Organic Compound (VOC) Emissions for Consumer Products requirements of California Code.