Helps prevent your EPDM rubber roof from fading, oxidizing, drying and cracking. caused by harsh UV rays. Mild, non-abrasive formula keeps surfaces cleaner longer with no residue or oily build-up. Contains no silicone, waxes, glycerine or petroleum distillates. Simply spread evenly with mop or cloth and let air dry. Will not harm rubber roofing.Size-32 oz.