250-mL of Listerine Freshburst Antiseptic Mouthwash for bad breath, plaque & gingivitis Oral care formula kills 99.9% of germs that cause bad breath, plaque and gingivitis The spearmint flavor of this antiseptic mouthwash leaves your mouth feeling clean and refreshed With approximately 12 days, this 500-mL bottle provides continuous, effective oral care Antiseptic mouthwash with refreshing spearmint flavor offers 24-hour protection against germs* Clinically shown to reduce more plaque and gingivitis than brushing and flossing alone Germ-killing mouthwash from the #1 dentist recommended brand of over the counter mouthwashes Rinse with mouthwash for 30 seconds twice a day to achieve maximum results and for fresh breath With twice-daily use.