Clean and hygienic design: a dustproof cover and water drainage function prevent dust and debris; a tight lid and bottom drain groove quickly remove excess water to safeguard against contamination. Improved oral retainer hygiene: ventilation holes help keep braces and retainers dry and hygienic, effectively preventing moisture buildup. Safe and portable: made from sturdy and reliable material, this case protects invisible braces and orthodontic restraints; its small, lightweight body makes it ideal for daily home organization or for carryon luggage during travel or business trips. Large capacity storage: designed to meet orthodontic restraint storage needs; a spacious interior easily accommodates braces and a few small accessories, simplifying daily cleaning and storage. Use scenarios: At home, for daily organization and storage after brushing. While traveling or on business trips, fits in carryon luggage to keep braces organized and accessible. In hotel or office settings, provides secure storage for braces and small accessories during breaks or between wear sessions.