OPRO Antimicrobial Mouthguard Case Advanced Anti-Microbial Protection Keep your mouthguard, snore guards, night guards, and retainers clean, fresh, and fully protected with the OPRO antimicrobial mouthguard case. Designed specifically for athletes, this case ensures your gear stays hygienic and ready for action. Stay Fresh on the Go Compact and durable, the case is ideal for safely storing your mouthguard in your gear bag while maintaining freshness and preventing odors. Kills Up to 99.99% of Harmful Bacteria In partnership with Biomaster, world leaders in antimicrobial technology, the OPRO case incorporates odorless, tasteless antimicrobial additives that permanently inhibit bacterial growth by up to 99.99%. Proven effective against tough, antibiotic-resistant bacteria such as MRSA, this case delivers unmatched protection to keep your mouthguard safe and sanitary.