Works instantly. SeaLand brand deodorants contain formaldehyde, the most effective order control ingredient available. Powerful cleaning action. Breaks down waste and toilet tissue, and keeps holding tanks clean. Fresh: Freshens your bathroom with a pleasant, floral-mint fragrance. Easy to use. See-through window stripe and 4-oz. increment marks make measuring easy. All-weather formulas. Effective in both arctic and hot, steamy conditions. Size: 32 oz. liquid.