About this item 
PREFILLED TEETH WHITENING TRAYS: Made of a unique, highly adaptable material that comfortably conforms to any smile 
OPALESCENCE TEETH WHITENING: Easy to use, without LED lights, activated charcoal, or other fads 
15% TEETH WHITENING KIT: Whitens teeth chemically, using hydrogen peroxide 
DENTAL CARE: Gluten Free; Kosher; Sweetened With Xylitol, Which May Reduce The Risk Of Tooth Decay 
MADE IN THE USA: Opalescence products are made in the USA from globally sourced materials