2-in-1 dental sanitizer wipes out 99.9% of germs and bacteria via UV light and sonic technology. It cleans and sanitizes dentures, retainers, mouth guards, whitening trays and a whole lot more in just one easy step. The magic is in its dual-action design: germicidal UV light to disinfect plus strong sonic waves to clean. This powerful combination removes stains, food particles and germs and bacteria using ordinary tap water—no chemicals or detergents are needed. Auto on/shut-off. Uses 3 AA batteries, not included. Plastic.  (5"W x 4"H x 5½"D)