Fresh Knight Fresh Case is a compact, lightweight UV cleaning Retainer Case. Maintain your orthodontic devices safe and protected anywhere you go. This retainer container is slim, yet big enough to hold 2 pieces of upper and lower retainers or aligners. It's perfect to hold mouth guards and some dentures too. UVC Sanitization Cleaning: Fresh Case utilizes three powerful ultraviolet lights to effectively disinfect stinky odor causing gunk in only 2.5 minutes with no need for soap. EPA Registered Device - EPA Est. No. 96870-CHN-1 Quick and Easy: With just the press of one button, you’ll have a cleaner dental device in less than 3 minutes. The device automatically shuts off when cleaning cycle is complete. Fresh Knight aligner cases are high quality. Satisfaction guaranteed, if your Fresh Case malfunctions we offer a 1 year manufacturer warranty. Keep it Fresh: Once a week, Wipe the case with a damp, soft cloth both inside and outside. Avoid submerging the case in water or using harsh chemicals as this may cause the case to malfunction. Fresh Knight Fresh Case is a compact, lightweight UV activated Retainer Case. This case utilizes three powerful UVC lights to effectively clean nearly all germs in only 2.5 minutes with no need for soap. Maintain your orthodontic devices safe and protected anywhere you go. Great For: Retainers, Clear Aligners, Mouth Guards, Night Guards, Dentures & other orthodontic devices.