Maximum protection. Superior comfort. #1 OTC dental guard. Protection for nighttime teeth grinding (bruxism). BPA free. Includes: 1 dental guard, 1 patented fitting tray, 1 antimicrobial storage case*. *Antimicrobial properties are built-in to inhibit the growth of bacteria that may affect this case. The antimicrobial properties do not protect users or others against bacteria, viruses, germs or other disease organisms. Always clean and wash this product thoroughly before and after each use.