Listerine Cool Mint Antiseptic Mouthwash, Daily Oral Rinse Kills 99% of Germs That Cause Bad Breath, Plaque and Gingivitis for a Fresher, Cleaner Mouth, Cool Mint Flavor, 1.0 L, Pack of 2Pack of two 1 liter bottle of Listerine Cool Mint Antiseptic Mouthwash. Oral rinse kills 99. 9% of germs that cause bad breath, plaque and gingivitis for a fresher and cleaner mouth than brushing alone A germ killing mouthwash for bad breath and plaque, Listerine is 5X more effective than flossing for plaque reduction*, all while giving you fresh breath and germ protection *Sustained plaque reduction above the gumline after a dental cleaning An ADA