The Opro antimicrobial case for Mouthguard is the ideal solution to keep your Mouthguard protected, clean, and fresh. Made in collaboration with Biomaster, a world leader in antimicrobial protection, this case inhibits bacterial growth by up to 99.99%, ensuring permanent protection against antibiotic-resistant bacteria like MRSA. Odorless and tasteless, the Opro antimicrobial case is perfect for keeping the Mouthguard safe in the Sports bag, ensuring lasting freshness.