Professionally-inspired custom trays + enamel-safe whitening gel. 2 Comfytray applicators; 8 ampoules of whitening gel. 0.033 fl oz (1 ml) each. Total contents [0.26 fl oz (8 ml)]. Safely whitens deep stains for a noticeably whiter smile, in just 2 hours. Get a whiter, brighter smile in just one 2-hour treatment. Get the white, bright smile you want - in just one 2-hour treatment. Noticeably whitens teeth in just one 2-hour treatment. Same enamel-safe ingredient dentists use to remove deep stains. Professionally-inspired Comfytray applicators designed for a customized whitening experience. Rembrandt. Focused on the science of whiter smiles. www.rembrandt.com. Visit www.rembrandt.com.